PLANT QUARANTINE ACT B.E. 2507 
AMENDED BY 
PLANT QUARANTINE ACT (N O. 2) B.E. 2542 AND 
PLANT QUARANTINE ACT (NO. 3) B.E. 2551 
 
--------------------- 
 
BHUMIBOL ADULYADEJ, REX 
Given on the 13th day of March, B.E. 2507. 
Being the 19th Year of the Present Reign. 
 
  His Majesty King Bhumibol Adulya dej has been graciously pleased to 
proclaim that: 
  Whereas it is expedient to ha ve a law on plant quarantine; 
  Be it, therefore, enacted by th e King, by and with  the advice and 
consent of the Constituent Assembly acti ng as the National Assembly, as follows: 
 
  Section 1    This Act shall be called th e “Plant Quarantine Act, B.E. 
2507”. 
 
  Section 2    This Act shall come into  force after the expiration of 
ninety days from the date of its public ation in the Government Gazette.  
 
  2
  Section 3    The Plant Diseases and Plant Pests Prevention Act, B.E. 
2495 shall be repealed. 
 
 Section 4    In this Act, 
  “plant” means all species of plan ts including terrestrial, aquatic, and 
other kinds of plants, including any parts th ereof such as the stems, buds, stocks, 
shoots, offshoots, branches, leaves, roots,  rhizomes, bulbs, flowers, fruits, seeds, 
and cultures and spores of mushrooms, be they propagable or dead; including 
predators, parasites, silkwo rms, silkworm-eggs, silk-coc oons, bees, bee-hives, and 
microorganisms; 
  “controlled plant” means plants declared by the Minister in the 
Government Gazette as controlled plant;  
  (“specific controlled plant” shall be incorporated herein by Section 3 of the Plant 
Quarantine Act (No. 3) B.E. 2551.)  
 
  “specific controlled plant” means plants declared by the Minister in 
the Government Gazette.  It shall require  protective measures and inspection on 
microorganisms or other articles that are harmful to human he alth, in compliance 
with the importing country requir ements prior to exportation. 
  “plant germplasm” means a group of cells with diverse inheritable 
genes that form pieces of pl ants which are alive and propa gable, be they in a form 
of seeds, tissues, or any part of plants, including genetic materials that may inherit 
any characteristics controlled by them, he rein specific only to those useful for 
breeding purposes; 
  “soil” means soil with organic ma tters or with livab le conditions for 
plant pests. 
  “ p l a n t  pest” means those which are harm ful to plants, such as plant 
pathogens, insects, animals or plan ts which may do harm to plants.  3
  “carrier” means planting materials, soil, sand, containers or other 
materials in which plants ar e packed, organic fertilizers or others which may serve 
as media for the plant pests;   “prohibited  article” means plants, plant pests and carriers declared by 
the Minister in the Government  Gazette as prohibited article; 
 “restricted  article” means plants, plant pe sts and carriers declared by 
the Minister in the Government Gazette as restricted article; 
  “unprohibited  article” means other plants which are not prohibited or 
restricted  articles; 
  “owner” includes agent of the owner, person in possession of the 
articles and person in charge of the conveyance transporting the articles; 
 
  (“pest risk analysis” shall be incorp orated herein by Section 4 of the Plant 
Quarantine Act (No. 3) B.E. 2551.)  
 
  “pest risk analysis” means the process of evaluating biological or 
other scientific and economic evidence to determine whether a pest should be regulated and the strength of  any phytosanitary measures  to be taken against it; 
  “importation” means bringing or  ordering into the Kingdom by any 
means whatsoever;  
  (“bring in transit” shall be repealed by  Section 5 of the Plant Quarantine Act (No. 
3) B.E. 2551 and shall be replaced by the following definition.)  
 
  “bringing  in transit” means bringing or sending through the Kingdom 
with or withou t transshipment; 
  “exportation” means bringing or  sending out of the Kingdom by any 
means whatsoever; 
  “plant quarantine stat ion” means a station decl ared by the Minister in 
Government Gazette for inspecting plants, pr ohibited articles, restricted articles and 
plant germplasms imported or brought in transit;  4
  “post-entry quarantine station” means a place declared by the Minister 
in the Government Gazette as a place for holding plants, prohibited articles, 
restricted articles, and plant germ plasms for observation and research; 
  “plant pest controlled area” mean s a locality declared by the Director-
General in the Government Gazette as area for prevention or eradication of plant 
pests;  
  (“phytosanitary certificate” shall be inco rporated herein by Section 6 of the Plant 
Quarantine Act (No. 3) B.E. 2551.)  
 
  “phytosanitary certificate” means  an official document issued by the 
competent authority of expor ting country to verify that plant, plant germplasm or 
carrier is free from pests, in compliance with the importing country requirements; 
 
  (“phytosanitary certificate for re-export” shall be incorporated herein by Section 
6 of the Plant Quarantine Act (No. 3) B.E. 2551.)  
 
  “phytosanitary certificate for re-e xport” means an official document 
issued by the competent author ity of exporting country to verify that plant, plant 
germplasm or carrier brought or sent into and transshi pped out of the Kingdom to 
other countries is free from pests of re-e xporting country, in compliance with the 
importing country requirements; 
 
  (“health certificate” shall be incorpor ated herein by Section 6 of the Plant 
Quarantine Act (No. 3) B.E. 2551.)  
 
  “health certificate” means an o fficial document issued by the 
competent authority of exporting country to ve rify that a specific  controlled plant is 
free from microorganisms or other articles which are harmful to human health, in 
compliance with the importin g country requirements; 
  “Committee” means the Plant Quarantine Committee; 
  “Director-General” means the Direct or-General of the Department of 
Agriculture;  5
  “plant quarantine official” means the Director-General and a person 
appointed by the Minister fo r the execution of this Act; 
  “Minister” means the Minister in charge of the execution of this Act. 
 
  Section 5   The plant quarantin e official shall bear  an identification 
card in the form prescribed in the Ministerial Regulation, and in the execution of 
this Act, upon request, shall provide the said identification ca rd to the person 
concerned.  
  (Provisions of Section 5bis shall be inco rporated herein by Section 4 of the Plant 
Quarantine Act (No. 2) B.E. 2542.)  
 
 Section 5bis  There shall be a Committee called “The Plant 
Quarantine Committee,” comprising the Perm anent Secretary of the Ministry of 
Agriculture and Cooperatives as the chairm an, Director-General of the Department 
of Fisheries or representative, Director-Gen eral of the Department  of  Livestock or 
representative, Director-General of the Royal Forestry Department or 
representative, Director-General of the Depa rtment of Agriculture or representative, 
Director-General of the Custom Department  or representative, Director-General of 
the Department of Agricultural Extension or  representative, Secretary – General of 
the Office of  the Narcotics Control Board or  representative, Director-General of the 
Port Authority of Thailand or representa tive, Managing Director of the Airport 
Authority of  Thailand or representa tive, President of the Communications 
Authority of  Thailand or re presentative, Director of th e National Center for Genetic 
Engineering and Biotechnology or  representative, Represen tatives of the Ministry 
of Commerce and the Ministry of  Interio r, one for each Ministry, and no more than 
4 Experts appointed by the Minister as  the Committee and the Director of 
Agricultural Regulatory Division of the Department of Agriculture as the 
Committee and Secretary.  6
 The Department of Agriculture, fo r the Committee, shall be charged 
with the duties on technical, administrativ e, and procedural under the decision of 
the Committee. 
 
  (Provisions of Section 5ter shall be incorporated herein by Section 4 of the Plant 
Quarantine Act (No. 2) B.E. 2542.)  
 
 Section 5ter     The Expert Committee sh all be in office for a two-
year-term, nevertheless may be reappointed. 
 In case there is any reason for the Expert Committe e to leave the 
office before the end of the term or in ca se the Minister appoints additional Expert 
Committee during the office term of the Committee, the substituted Expert 
Committee shall be in the offi ce for as long as the term left for the earlier appointed 
Expert Committee.  
 
  (Provisions of Section 5tetra shall be in corporated herein by Section 4 of the Plant 
Quarantine Act (No. 2) B.E. 2542.)  
 
            Section 5tetra     Notwithstanding the end of office term under 
Section 5ter, the Expert Committee appointed  by the Minister sha ll leave the office 
in case of: 
  (1)  death;   (2)  resignation; 
   (3)  removed by the Minister; 
  (4)  become incompetent or quasi-incompetent person; 
  (5) imprisoned by the final judgeme nt to a term of imprisonment, 
except for an offence co mmitted through negligence or a petty offence. 
 
  (Provisions of Section 5penta shall be incorporated herein by Section 4 of the 
Plant Quarantine Act (No. 2) B.E. 2542.)  
 
 Section  5penta    In a meeting of the Co mmittee, the presence of not 
less than one-half of the total number of members of the Committee shall be  7
required to constitute the quorum.  In case where the chairman is not present or is 
unable to perform the duty, the members of the Committee present shall elect a 
member among themselves to preside over the meeting as a chairman.                    A decision of the meeting shall be met by a majority vote.  Each 
member of the Committee shall have one vote.   In case of equality of the votes, the 
presiding chairman shall have an additional vote as the final vote.  
 
  (Provisions of Section 5hexa shall be repealed by Section 7 of the Plant 
Quarantine Act (No. 3) B.E. 2551 and th e following shall be implemented.)  
 
  Section 5hexa   The Committee shall have the authority as follows: 
(1)  provide recommendations to th e Minister for the determination 
on name of plants, plant pests, or carriers to  be prohibited or re stricted articles, and 
of plant germplasms that shall be controlle d, and of controlled plants and specific 
controlled plants; 
(2)  provide recommendations to the Minister for the determination 
on plant quarantine station and post-entry quarantine station; 
(3) provide recommendations to the Director-General for the 
determination on type of business enterprises that are eligible to import or bring in 
transit of prohibited articles under Secti on 8 (2) as well as the determination on 
criteria, procedures and c onditions for the importation or bringing in transit of 
prohibited articles through commercial cha nnel or other business enterprises under 
Section 8 (2); 
(4) provide recommendations to the Director-General for the 
determination on criteria, pr ocedures and conditions for importation or bringing in 
transit of prohibited or restricted article s under Section 10, and for the determination 
on plant pest inspection and treatment fees, the request for a phytosanitary 
certificate or  phytosanitary certificate for re -export and the issuance of certificates 
under Section 15;  
(5) provide recommendations to the Director-General for the 
determination on inspection fees for expor tation of specific controlled plants,  8
including criteria, procedures and conditions on the request and issuance of  health 
certificate under Section 15hexa; 
(6) provide recommendations to the Minister for the promulgation of 
the Ministerial Regulations under this Act; 
(7) make recommendations to the Mi nister or Director-General for 
the amendment of this Act, Ministeria l Regulations, rules, notifications or 
guidelines related to plant quarantine under th is Act or other laws elsewhere, that 
cause adverse effect to the pl ant quarantine implementation; 
(8)  perform other actions stipulated  by this Act or other laws to be 
the duties of the Committee. 
 
  (Provisions of Section 5hepta shall be incorporated herein by Section 4 of the 
Plant Quarantine Act (No. 2) B.E. 2542.)  
 
  Section 5hepta    The Committee shall have  the authority to appoint 
one or more Sub-Committee(s) to perfo rm any duties charged by the Committee. 
               The provisions of S ection 5penta shall be applied to the meeting of 
the Sub-Committee mutatis  mutandis . 
 
  (Provisions of Section 6 paragraph 1 sha ll be repealed by Section 8 of the Plant 
Quarantine Act (No. 3) 2551 and the following shall be implemented.) 
 
Section 6   In case, where it is necessary  to prevent the spread or 
outbreak from introduction of any kind of pl ant pests into the Kingdom or where it 
is advantageous to protect possibly adverse effect on e nvironment or human health, 
the Minister by the recommendation of the Committee shall have the authority to 
declare, where appropriate, in the Govern ment Gazette the name of plants, plant 
pests or carriers to be prohibited or restrict ed articles under this Act, as the case may 
be. Under the said declaration, name of any plants, plant pests or carriers from any 
sources may be stated or any excepti ons or conditions may be specified. 
 In stipulating the conditions for prevention of the introduction of any 
kind of plant pests into the Kingdom, the Minister may require  that any person  9
travelling from the place where there is the oc currence of that particular plant pest, 
report to the plant quarantine official w ith the form specified by the Director-
General. 
 When it is no longer necessary, the prohibited and restricted articles 
mentioned in paragraph 1 shall be re voked by declaration in the Government 
Gazette. 
 
  (Provisions of Section 6bis shall be incor porated herein by Section 6 of the Plant 
Quarantine Act (No. 2) B.E. 2542.) 
 
  Section 6bis     For the purpose of cont rolling and prevention of the 
introduction of plant pests, the Minist er by the recommendation of the Committee 
shall have the authority to declare the na me of plant germplasms that shall be 
controlled in the Government Gazette.  
  (Provisions of Section 6bis paragraph 2 sha ll be repealed by Section 9 of the Plant 
Quarantine Act (No. 3) B.E. 2551 and th e following shall be implemented.)  
 
  No one shall import or export a ny plant germplasms declared in 
paragraph 1 by the Ministe r, unless otherwise permitted by the Director-General, 
and the importation of which shall be acco mpanied by a phytosanitary certificate.  
  The request for permission and th e permission under paragraph 2 shall 
be performed under the criteria, proce dures, and conditions stipulated by the 
Director-General. 
 
  (Provisions of Section 6ter shall be incorporated herein by Section 6 of the Plant 
Quarantine Act (No. 2) B.E. 2542.)  
 
  Section 6ter    The plant quarantine official  shall have the authority to 
enter the planting areas, place of collecti on or preservation of  plant germplasms 
declared by the Minister unde r Section 6bis paragraph 1, during sunrise and sunset 
of the day or the official hours to inspect and study the use of plant germplasms.    
In such action, the plant qua rantine official shall have the authority to inquire the  10
fact or request for the perm it, or related evidence from th e owner or the possessor of 
the planting area or the said place.  
  (Provisions of Section 7 shall be repealed by Section 7 of the Plant Quarantine Act 
(No. 2) B.E. 2542 and the following shall be implemented.) 
 
  Section 7   The Minister under the recommendation of the Committee 
shall have the authority to declare any por t, airport or place with certain limit as 
plant quarantine station or post-entry quaran tine station, as the case may be, in the 
Government Gazette. 
 
  (Provisions of Section 8 shall be repea led by Section 10 of the Plant Quarantine 
Act (No. 3) B.E. 2551and the following shall be implemented.)  
 
  Section 8   Any person importing or bri nging in transit prohibited 
articles shall receive permission from the Director-General and comply with the 
following rules.  
(1) The importation or bringing in transit of prohibited articles for 
research purpose shall be accompanied with  a phytosanitary certificate, or in case 
where the importation or bringing in transit of prohibited plant pest or carrier which 
is not plant, a certification letter from the authorized agency of the exporting 
country shall be required to accompa ny with such prohibited articles.  
(2) The importation or bringing in  transit for commerce or other 
purposes which shall be declared by the Director-General under the 
recommendation of the Committee, sha ll be accompanied by a phytosanitary 
certificate, subjected to pest risk analysis  and complied with the criteria, procedures 
and conditions stipulated by the Directo r-General under the recommendation of the 
Committee and published in the Government Gazette. 
 
  (Provisions of Section 9 shall be repea led by Section 11 of the Plant Quarantine 
Act (No. 3) B.E. 2551 and the following shall be implemented.)  
  11
  Section 9.    No one shall import or bring in transit any restricted 
articles unless the said restricted ar ticles are accompanied by a phytosanitary 
certificate.  
 
  (Provisions of Section 10 shall be repea led by Section 12 of the Plant Quarantine 
Act (No. 3) B.E. 2551 and the following shall be implemented.)  
 
  Section 10.    The importation or bringing in transit of prohibited or 
restricted articles shall be made through the plant quarantine station for inspection 
by the plant quarantine official , and shall be complied with criteria, procedures and 
conditions stipulated by the Director-G eneral under the recommendation of the 
Committee and published in the Government Gaze tte. 
 
  (Provisions of Section 11 shall be repea led by Section 13 of the Plant Quarantine 
Act (No. 3) B.E. 2551 and the following shall be implemented.)  
 
  Section 11    Any person importing or br inging in transit unprohibited 
articles shall attach with a phytosanitary certificate and shall d eclare to the plant 
quarantine official in a format form  specified by the Director-General. 
 
  (Provisions of Section 12 shall be repea led by Section 14 of the Plant Quarantine 
Act (No. 3) B.E. 2551 and the following shall be implemented.)  
 
  Section 12     In the execution of this Act, the plant quarantine official 
shall have the authority as follows; 
(1) search any warehouse, conveya nce, package as well as any 
person within the jurisdiction of plant qua rantine station or plant pest controlled 
area when there is reasonable ground to susp ect that plants, prohibited articles,  
restricted articles or unprohibited articles have been imported or brought in transit 
in violation or non-compliance of this Act; 
(2) search any premise, pers on or conveyance outside the 
jurisdiction of plant quarantine station or plant pest controlled area, during sunrise 
to sunset of the day, or during the business hours of that  premise in case where there  12
is reasonable ground to suspect that plants, prohibited articles, restricted articles or 
unprohibited articles under possession are plant pests or harbor plant pests that may 
cause very serious damage and in case wh ere there is reasonable ground to suspect 
that if the search warrant shall take longe r time to be issued, such unlawful articles 
or any wrongdoings shall be removed, hidden, destr oyed or changed from the 
original appearances, and in case where the search can not be carried out in time, it 
is allowable to continue un til the search is completed; 
(3) collect or draw sample in an adequate amount of plants, 
prohibited articles, restricted articles or unprohibited articles or other related articles 
for inspection or analysis, in case where there is reasonable ground to suspect that 
such articles are plant pests or harbor plant pests that may cause very serious 
damage; 
(4) confiscate or hold plants or prohi bited articles, restricted articles 
or unprohibited articles or other related ar ticles in due time, where necessary, in 
case where there is reasonable ground to suspect  that such articles are plant pests or 
harbor plant pests that may cause very serious damage.  
  (Provisions of Section 13 shall be repeale d by Section 15 of the Plant Quarantine 
Act (No. 3) B.E. 2551 and the following shall be implemented.)  
 
  Section 13    To prevent the introduction of plant pests into the 
Kingdom, the plant quarantine official shall have  the authority to de al with plants or 
prohibited articles, restricted articles, unprohibited articles or plant germplasms 
imported or brought in transit as follows; 
(1) diagnose plant pests, fumigate d or treated with chemical by 
means of spraying or by any other means as deemed necessary at the owner’s 
expenses; 
(2) confiscate or hold them at the post-entry quarantine station or at 
any other places in due time, where necessary;  13
(3) order the importer to send th e plants, prohibited articles, 
restricted articles, unprohibited articles or plant germplasms infected or infested 
with plant pests out of the Kingdom; 
(4) destroy them, where necessary , when there is reasonable ground 
to suspect that such plan t pests may cause very serious damage and there is no 
alternative remedial measures under subparagraph (1). 
 
  (Provisions of Section 13/1 shall be inco rporated herein by Section 16 of the Plant 
Quarantine Act (No. 3) B.E. 2551.)  
 
  Section 13/1   All articles that are collected, confiscated or held under 
Section 12 (3) and (4) and Section 13 (2), shall fall into the possessions of the 
Department of Agriculture, in case if ther e is no claim from the owners, or in case 
where the case is withdrew by the public pros ecutor, or the final judgement is not to 
confiscate the articles, and the owner does not claim within ninety days counting 
from the date of confiscation or hold, or th e date of public pros ecutor withdrawal or 
the date of the final judgement not to c onfiscate the articles, wherever the cases 
shall be. 
  If the articles collected, confisca ted or held under paragraph 1 are 
perishable, or if the articles shall be at  risk to be damaged from storage or the 
expenses to keep the articles exceed thei r values, the Director-General shall have 
the authority to order destroying or any ot her means of disposal, where appropriate.  
 
  (Provisions of Section 14 shall be repea led by Section 8 of the Plant Quarantine 
Act (No. 2) B.E. 2542 and the following shall be implemented.)  
 
 Section 14      No one shall remove any plants, prohibited articles, 
restricted articles or plant germplasms fro m any plant quarantine station, post-entry 
quarantine station, or conveyance in case of  transit, or from a ny places where such 
articles are confiscated or held by the orde r of the plant quarantine official unless 
permission in writing has been obtained fro m the said plant quarantine official. 
  14
  (Provisions of Section 15 shall be repea led by Section 17 of the Plant Quarantine 
Act (No. 3) B.E. 2551 and the following shall be implemented.)  
 
 Section 15     Any person who would lik e to apply for a phytosanitary 
certificate or phytosanitary certificate for re-export shall pay inspection and 
treatment fees at the rates specif ied by the Director-General under the 
recommendation by the Committee and sha ll be published in the Government 
Gazette.  
 The plant quarantine official has th e authority to issue a phytosanitary 
certificate and phytosanitary certificate fo r re-export to the applicant under    
paragraph 1 and the plant quarantine official  shall collect fees for the issuance of a 
phytosanitary certificate or phytosanitary cer tificate for re-export, where applicable 
to the rates prescribed in the Ministerial Regulation.  
 The request for and issuance of a phytosanitary certificate or 
phytosanitary certificate for re-export sh all be complied with the criteria, 
procedures, and conditions stipulated  by the Director-General under the 
recommendation by the Committee and sha ll be published in the Government 
Gazette.  
 (Provisions of Section 15bis shall be incor porated herein by Section 9 of the Plant 
Quarantine Act (No. 2) B.E. 2542.) 
 
  Section 15bis      To prevent the spread of the plant pests out of the 
Kingdom, the Minister under the recommenda tion of the Committee shall have the 
authority to declare the name of plants to be considered  as controlled plant in the 
Government Gazette. 
 
  (Provisions of Section 15bis, paragraph 2 shall be repealed by Section 18 of the 
Plant Quarantine Act (No. 3) B.E. 2551 and the following shall be implemented.)  
 
  Any person who would like to  export controlled plant under 
paragraph 1 shall have a phytosanitary ce rtificate accompanied with the said 
controlled plant.  15
 
  (Provisions of Section 15ter shall be repealed by Section 19 of the Plant 
Quarantine Act (No. 3) B.E. 2551 and th e following shall be implemented.)  
 
  Section 15ter   In case of loss or damage  in the essential matters of 
the phytosanitary certificate or phytosanitary certificate for re-export, the holder of 
the said phytosanitary certificate requiri ng a substitution shall request for such 
substituted phytosanitary certificate fro m the plant quarantine official.  
  The request for and issuance of the substitution of the phytosanitary 
certificate shall be complied w ith the criteria, procedures , and conditions stipulated 
by the Director-General.  
 
  (Provisions Section 15tetra shall be inco rporated herein by Section 9 of the Plant 
Quarantine Act (No. 2) B.E. 2542.) 
 
  Section 15tetra   To facilitate plant gr owers for the purpose of 
exportation, any person who would like to request the plant quarantine official to 
inspect or recommend the means to contro l plant pests in nursery or field for 
exportation, shall request for registration of  the said nursery or field for exportation 
to the Department of Agriculture. 
  The request for registration and the registration shall be complied with 
the criteria, procedures, and conditions  stipulated by the Director-General. 
 
  (Provisions of Section 15penta shall be incorporated herein by Section 9 of the 
Plant Quarantine Act (No. 2) B.E. 2542.)  
 
  Section 15penta  To regulate plants for exportation, the Minister 
under the recommendation of the Committee sh all have the authority to declare a 
plant to be specific controlled plant by indicating name, type, species or 
characteristic aspects of the plant, micr oorganism or other articles that may be 
harmful to human health in  compliance with the importing country requirements, as 
well in the Government Gazette.   16
  (Provisions of Section 15hexa shall be incorporated herein by Section 9 of the 
Plant Quarantine Act (No. 2) B.E. 2542.)  
 
 Section 15hexa   Any person who would like to export specific 
controlled plant shall have a phytosanita ry certificate accompanying with the 
consignment and pay inspection fee at the rates specified by the Director-General 
under the recommendation by the Committe e and shall be published in the 
Government Gazette. 
   The plant quarantine official shall have the authority to issue a health 
certificate to the applicant under paragraph 1 and the plant quarantine official shall 
collect fee for the issuance of a health certificate at th e rates prescribed in the 
Ministerial Regulation.  
 
  (Provisions of Section 16 shall be repea led by Section 10 of the Plant Quarantine 
Act (No. 2) B.E. 2542 and the following shall be implemented.) 
 
  Section 16   Any person who would like to request the plant 
quarantine official to perform his duties under this Act on official holidays, after 
official working hours or outside Govern ment offices whether during or after 
official working hours, shall pay additiona l fees for performing his duties at the 
rates prescribed in the Ministerial Regul ation and pay all travel expenses as 
necessary and actually paid to the plant quarantine official. 
  The criteria, procedures, and cond itions of the payment of additional 
fees and travel expenses under paragraph 1 shall be in  line with the Ministerial 
Rule. 
   Section 17    In the event of an outbr eak of plant pest which might 
bring about serious damages, or where th ere is proper reason to place control in 
respect of plant pest in an y locality, the Director-General  shall have the power to 
determine by notification such locality as plant pest controlled area.  The 
notification shall specify the names, species of plants, pl ant pests and carriers under 
the control and determine the local checking stations  as are necessary. Such  17
notification shall be posted up at the Prov incial Government Office, Amphur Office, 
Office of Kumnan and Phuy ai Ban of such locality. 
   Section 18   After a declaration of the plant pest control area under 
Section 17 has been made, no one shall take out of or bring into the plant pest 
control area any plants, plant pests or ca rriers specified in the declaration unless 
inspected and permitted in writing by the plant quarantine official. 
 
  Section 19     The provisions of Se ctions 12 and 13 shall apply mutatis  
mutandis  to the plants, plant pests and carriers stated in Section 17 which are within 
the plant pest controlled area or to be ta ken out of or brought into the said area. 
 
  (Provisions of Section 19 paragraph 2 sha ll be repealed by Section 11 of the Plant 
Quarantine Act (No. 2) B.E. 2542 and th e following shall be implemented.) 
 
  In case there is any plant pest wh ich may cause serious  damage and if 
it is not destroyed in time, it will cause more severe damage. The plant quarantine 
official may order the owner to destroy th e plants, plant pests and carriers, or if 
necessary the plant quarantine official may destroy them by himself.  In such case, 
the Director-General may order the owner to  pay all expenses for such destruction 
as necessary and actually paid. 
 
  Section 20     When the Director-Gener al finds that the plant pest 
according to the declaration under Secti on 17 has all been destroyed or that 
necessity no longer exists, such declaration shall be revoked. 
 
  (Provisions of Section 20bis shall be incorporated herein by Section 12 of the 
Plant Quarantine Act (No. 2) B.E. 2542.) 
 
  Section  20bis     The money obtained fro m the inspection fees under 
Section 15 and the additional fees under Se ction 16 shall not be  considered as  18
income under the law of fiscal budget, a nd shall be used only in those activities 
specified by this Act, not for any other purposes whatsoever. 
 
  (Provisions of Section 20ter shall be incorporated herein by Section 12 of the 
Plant Quarantine Act (No. 2) B.E. 2542.) 
 
  Section  20ter      Any person who does not comply with Section 6 
paragraph 2 or violates Sec tion 6bis paragraph 2, Secti on 9 or Section 18 shall be 
fined not exceeding 20,000 Baht. 
 
  (Provisions of Section 20tetra shall be  incorporated herein by Section 12 of the 
Plant Quarantine Act (No. 2) B.E. 2542.) 
 
  Section  20tetra   Any person who resists or obstructs the plant 
quarantine official from performing his dutie s under Section 6ter shall be fined not 
exceeding 10,000 Baht. 
 
  (Provisions of Section 21 shall be repea led by Section 21 of the Plant Quarantine 
Act (No. 3) B.E. 2551 and the following shall be implemented.)  
 
  Section 21    Any person who does not co mply with Section 8, 
Section 10 and Section 15bis pa ragraph 2 or Section 15hexa  or violates Section 14 
shall be imprisoned not exceed ing one year or fined not  exceeding 20,000 Baht, or 
both.  
  (Provisions of Section 22 shall be repea led by Section 21 of the Plant Quarantine 
Act (No. 3) B.E. 2551 and the following shall be implemented.)  
 
  Section 22   Any person who does not comply with Section 11 shall 
be fined not exceeding 4,000 Baht. 
 
  (Provisions of Section 23 shall be repea led by Section 13 of the Plant Quarantine 
Act (No. 2) B.E. 2542 and the following shall be implemented.) 
 
  Section 23.    Any person who resists or obstructs the plant quarantine 
official from performing his duties under Secti on 12 or Section 13 (1)  (2)  or (4) or  19
does not comply with the or der of the plant quarantine official under Section 13(3) 
shall be imprisoned not exceeding six m onths, or fined not exceeding 10,000 Baht, 
or both. 
 
  (Provisions of Section 24 shall be repea led by Section 13 of the Plant Quarantine 
Act (No. 2) B.E. 2542 and the following shall be implemented.) 
 
  Section 24    Any person w ho disobeys or obstructs the plant 
quarantine official from performing his du ties under Section 19 pa ragraph 2 shall be 
imprisoned not exceeding six months, or fined not excee ding 10,000 Baht, or both. 
 
  (Provisions of Section 25 shall be repea led by Section 13 of the Plant Quarantine 
Act (No. 2) B.E. 2542 and the following shall be implemented.) 
 
  Section 25    For all the offences under this Act that are only 
punishment by fine, the Director-General or  any person appointed  by him shall have 
the authority to perform administrative fine.  
  (Provisions of Section 26 shall be repea led by Section 13 of the Plant Quarantine 
Act (No. 2) B.E. 2542 and the following shall be implemented.) 
 
  Section 26   For all plants, plant pests or  carriers under this Act which 
are not imported through plant quarantine st ation or imported or  brought in transit 
in violation of this Act in any respect, or those which are objects of offences in 
connection with the plant pest controlled area as provided in Section 8 Section 9 
Section 14 or Section 18 shall be confisca ted regardless of whether any person is 
convicted by the order of the court.  All articles confisca ted by the order of the court 
shall belong to the Department of Agricu lture to be managed under its discretion. 
 
  (Provisions of Section 27 shall be repea led by Section 14 of the Plant Quarantine 
Act (No. 2) B.E. 2542 and the following shall be implemented.) 
 
  Section 27     The Minister of Agricultu re and Cooperatives shall be in 
charge of the execution of this Act, and sh all have the authority to appoint the plant  20
quarantine official, to issue Ministerial Regulations fixing admi nistrative fees not 
exceeding the rates annexed hereto, to pr escribe fees, to grant exemption of 
administrative fees and to prescribe ot her activities for carrying out this Act. 
 Such Ministerial Regulations shall become effective upon their 
publication in the Government Gazette. 
 
  (The List of Administrative Fees shall be repealed by Section 22 of the Plant 
Quarantine Act (No. 3) B.E. 2551 and th e following shall be implemented.) 
 
Rate of Administrative Fees 
 
(1) An import and transit permits of prohib ited articles       200 Baht per each 
(2) An import and export permits  of plant germplasms           200 Baht per each 
(3) A phytosanitary certificate                                                  200 Baht per each 
(4) A phytosanitary cer tificate for re-export   200 Baht per each 
(5) A health certificate      200 Baht per each (6) Substitute certificate of phytosanitary certifi cate               100 Baht per each 
(7) Substitute certificate of ph ytosanitary certificate for 
      re-export        100 Bath per each 
(8) Substitute certificate of health certificate   100 Baht per each  
     
          Countersigned by : 
Field Marshal Thanom Kittikachorn 
           Prime Minister 
 
• Plant Quarantine Act B.E. 2507 (1964): The Government Gazette, Vol. 81, Part 27, 
dated 21 March B.E. 2507 (1964).  
• Plant Quarantine Act (No.2) B.E. 2542 (1999) : The Government Gazette, Vol. 116, 
Part 39a, dated 18 May B.E. 2542 (1999). 
• Plant Quarantine Act (No. 3) B.E. 2551 (2008): The Government Gazette, Vol. 125, 
Part 40a, dated 1 March B.E. 2551 (2008). 
• UNOFFICIAL TRANSLATION 
• This is an English translation. In case of  any difference in meaning between the Thai 
text and the English translation, the Thai text sh all be applied.