COMMISSION IMPLEMENTING REGUL ATION (EU) 2023/1173 
of 15 June 2023
withdrawin g from the mark et certain feed additiv es, amending Regulation (EC) No 1810/2005 and 
repealing Regulations (EC) No 1453/2004, (EC) No 2148/2004 and (EC) No 943/2005 
(Text with EEA relevance) 
THE EUR OPEAN COMMISSION,
Havi ng regar d to the Treaty on the Functioning of the European Union,
Havi ng rega rd to Regulation (EC) No 1831/2003 of the European Parliament and of the Council of 22 Sept ember 2003 on 
additives for use in animal nutr ition (1), and in particular Article 10(5) thereof,
Whereas:
(1) Regulation (EC) No 1831/2003 provid es for the author isation of additives for use in animal nutr ition and for the 
grounds and procedures for granting such author isation. In particular , Article 10(2) of that Regulation, provi des 
rules for the re-evaluation of additives author ised pursuant to Council Directive 70/524/EEC (2).
(2) Article 10(5) of Regulation (EC) No 1831/2003 imposes an obligation on the Commission to adopt a Regulation 
withdra wing from the mark et feed additives for whic h no applications as required by Article 10, paragraphs 2 
and 7 of Regulation (EC) No 1831/2003 were submitte d before the deadline provided for in those provisions, or for 
which an application was submitted but subsequently withdra wn.
(3) Theref ore, the feed additives as listed in the Annex should be withdra wn from the mark et.
(4) In the case of feed additives for whic h applications have been submitted only for certain animal species or cate gories 
of animals, or applications have been withdrawn only for certain animal species or catego ries of animals, the 
withdra wal from the mark et should only concer n the animal species and categor ies of animals for which no 
application has been submitted or for whic h the application has been withdrawn.
(5) As a consequence of the withdrawal from the mark et of the listed feed additives, it is appropr iate to repeal the 
provisions author ising them. Consequently , Commission Regulation (EC) No 1810/2005 (3)should be amended 
according ly and Commission Regulations (EC) No 1453/2004 (4), (EC) No 2148/2004 (5)and (EC) No 943/2005 (6)
should be repealed.
(6) It is appropr iate to allow a transitional period within which existing stoc ks of the additives concer ned, premixtures, 
feed mater ials and compo und feed which have been produced with those additives may be used up, in order to allow 
inter ested parties to adapt to the withdra wal of those products from the market.
(7) The withdrawal from the market of the products listed in the Annex does not prevent them from being author ised or 
from being subject to a measure concer ning their status in accordance with Regulation (EC) No 1831/2003.
(1)OJ L 268, 18.10.2003, p. 29.
(2)Council Directive 70/524/EEC of 23 November 1970 concer ning additives in feedingstuffs (OJ L 270, 14.12.1970, p. 1).
(3)Commission Regulation (EC) No 1810/2005 of 4 November 2005 concer ning a new author isation for 10 years of an additive in 
feed ingstuffs, the permanent author isation of certain additives in feedi ngstuffs and the provi sional author isation of new uses of certain 
additives already author ised in feedingstuffs (OJ L 291, 5.11.2005, p. 5).
(4)Commission Regulation (EC) No 1453/2004 of 16 August 2004 concer ning the permanent author isation of certain additives in 
feed ingstuffs (OJ L 269, 17.8.2004, p. 3).
(5)Commission Regulation (EC) No 2148/2004 of 16 December 2004 concer ning the permanent and provisiona l author isations of 
certain additives and the author isation of new uses of an additive already author ised in feedingstuffs (OJ L 370, 17.12.2004, p. 24).
(6)Commission Regulation (EC) No 943/2005 of 21 June 2005 concer ning the permanent author isation of additives in feed ingstuffs 
(OJ L 159, 22.6.2005, p. 6).EN Offi cial Jour nal of the European Union L 155/28 16.6.2023  (8) The measures provid ed for in this Regulation are in accordance with the opinion of the Standing Committ ee on 
Plants, Animals, Food and Feed,
HAS ADOPTED THIS REGUL ATION:
Article 1
Withdra wal from the market
The feed additives specifi ed in the Annex shall be withdra wn from the mark et in respect of the animal species or categor ies 
of animals mentioned in that Annex.
Article 2
Transitional measures for the feed additiv es to be withdrawn from the market
1. Existing stoc ks of the feed additives liste d in the Annex may continue to be placed on the mark et and used until 6 July 
2024 .
2. Premixtures produced with the additives referred to in paragraph 1 may continue to be placed on the mark et and used 
until 6 October 2024 .
3. Com pound feed and feed mater ials produced with the additives refer red to in paragraph 1 or with the premixtures 
refer red to in paragraph 2 may continue to be placed on the mark et and used until 6 July 2025 .
Article 3
Amendment to Regulation (EC) No 1810/2005
Regulation (EC) No 1810/2005 is amended as follows :
(1) Article 3 is delet ed;
(2) Annex III is deleted.
Article 4
Repeals
Regulations (EC) No 1453/2004, (EC) No 2148/2004 and (EC) No 943/2005 are repealed.
Article 5
Entr y into force
This Regulation shall enter into force on the twentieth day followi ng that of its publication in the Official Journal of the 
European Union.
This Regulation shall be binding in its entirety and directly applicable in all Member States.
Done at Brussels, 15 June 2023 .
For the Commission
The President
Ursula VON DER LEYENEN Offi cial Jour nal of the European Union 16.6.2023 L 155/29  ANNEX 
Feed additiv es to be withdrawn from the market , as refer red to in Article 1 
PART 1
Feed additiv es to be withdrawn from the market for all species and categor ies of animals
Identification 
NumberAdditiveSpecies or categor y of 
animals
Emulsifying and stabilising agents, thicken ers and gelling agents
E 433 Polyoxyeth ylene(20)-sorbitan monooleat e All species
E 413 Tragacanth All species
Binders, anti-caking agents and coagulants
E 561 Vermiculite All species
E 599 Perlite All species
Vitamin s, provitamins and chemically well-def ined subst ances having similar effect
Vitamin B12 or Cyanocobalamin. All forms with the exception of the 
preparation of cyanocobalamin produced by Ensif er adhaer ens CNCM 
I-5541 containing ≤ 1 % of cyanocobalamin, solid form [3a835] (1).All species
Silage additiv es
Microorganisms
Lactobacillus casei NBR C 3425 (ATCC 7469) All species
Saccharomy ces cerevisiae NBR C 0203 (IFO 0203) All species
Enzymes
Alpha-am ylase EC 3.2.1.1 from Aspergillus oryzae CBS 585.94 All species
Colourants, including pigments
Other colourants
E 150b, E 150c 
and E 150dCaramel colours as colour ing agents author ised for colour ing foodstuffs by 
Community rulesAll species
Flav our ing and appetising subst ances
Natural products – botan ically defined
Abies alba Mill., A. sibir ica Ledeb.: Pine needle oil CAS 8021-29-2 FEMA 
2905 CoE 5 Einecs 294-351-9All species
Eleuthero coccus senticosus Rupr . et Maxim. = Acan thopanax s. Harms: Taiga 
root extract (solvent-based)All species
Helianthus annuus L.: Sunf lower absolute/Su nflower oil/Sunf lower tincture All species
Origanum heracleoticum L.: Greek oregano extract/oleoresin/Greek oregan o 
oilAll species
Origanum heracleoticum L.: Oregano oil All speciesEN Offi cial Jour nal of the European Union L 155/30 16.6.2023  Petroselinum sativum Hoffm. = P. crispum Mill. = P. hortense L.: Parsle y leaf oil 
CAS 8000-68-8 FEMA 2836 CoE 326 Einecs 281-677-1/Parsle y seed oil 
CAS 8000-68-8 CoE 326 Einecs 281-677-1All species
Trachys permum ammi (L.) Sprag. et Turr.: Ajowan oil All species
Bupleur um rotundifolium L.: Hare’s ear tincture All species
Bosw ellia serrata Roxb. ex Colebr .: Olibanum tincture All species
Bambusa sp.: tincture All species
Pimenta dioica L. Mer r. = P. officinalis Lind L.: Allspice oil
CAS 8006-77-7 FEMA 2018 CoE 335 Einecs 284-540-4All species
Natural products and corresponding synthetic products
CAS No 13678-67-6/Difurfur yl Sulfide/Fl avis No 13.056 All species
CAS No 29606-79-9/Isopulegone/Flav is No 07.067 All species
CAS No 43052-87-5/alpha-Damascone/Flav is No 07.134 All species
CAS No 4437-22-3/Difurfur yl ether/Fla vis No 13.061 All species
CAS No 623-15-4/4-(2-Fur yl)but-3-en-2-one/Flavis No 13.044 All species
(1)This form of vitamin B12 or cyanocobalamin has been author ised by Commission Implementing Regulation (EU) 2022/1249 of 19 July 
2022 concer ning the author isation of vitamin B12 in the form of cyanocobalamin produced by Ensifer adhaerens CNCM I-5541 as a feed 
additive for all animal species (OJ L 191, 20.7.2022, p. 10).
PART 2
Feed additiv es to be withdrawn from the market for certain species or categor ies of animals
Identification 
NumberAdditiveSpecies and categor y of 
animals
Preser vativ es
E 250 Sodium nitrite Dogs; Cats
Emulsifying and stabilising agents, thicken ers and gelling agents
E 406 Agar Pets and other non-f ood 
producing animals
Binders, anti-caking agents and coagulants
E 567 Clinoptilo lite of volcanic origin Pigs, Poultr y
Silage additiv es
Subs tances
Hexamethylen e tetramine Bovin es; Ovines; Pigs; 
Poultr y; Rabbits; Horses; 
Goats
Enzymes
E 1613 Endo-1,4-beta-xylanase/EC 3.2.1.8 produced by Trichoder ma 
longibr achiatum (CNCM MA 6-10 W)Laying hens; Turke ys for 
fattening; Chick ens for 
fatteningEN Offi cial Jour nal of the European Union 16.6.2023 L 155/31  Colourants, including pigments
Other colourants
E 127 Erythrosine as colour ing agent author ised for colour ing foodstuffs by 
Community rulesRepti les; Cats
E 127 Erythrosine
[functional group 2 a (iii)]Ornamental fish
Flav our ing and appetising subst ances
Natural products – botan ically defined
Humulus lupulus L. flos: Hop extract (strobiles) rich in beta acids All animal species with 
the excep tion of weaned 
piglets, pigs for fattening 
and minor porcine 
species weaned and for 
fattening
Natural products and corresponding synthetic products
CAS No 3188-00-9/4,5-Dihydro-2-meth ylfuran-3(2H)-one/Flavis 
No 13.042All animal species with 
the excep tion of pets
CAS No 3658-77-3/4-Hydro xy-2,5-dimeth ylfuran-3(2H)-one/Flavis 
No 13.010All animal species with 
the excep tion of pets
CAS No 4180-23-8/1-Metho xy-4-(prop- 1(trans)-enyl)benzene/Fla vis 
No 04.010Poultr y and fish
CAS No 97-53-0/Euge nol/Flavis No 04.003 Poultr y
Vitamin s, provitamins and chemically well-def ined subst ances having similar effect
Omega-6 Essential Unsaturated Fatty acids (as octadecadienoic acid) Sows for reproduction; 
Sows, in order to have 
benefit in piglets; Cows 
for reproductionEN Offi cial Jour nal of the European Union L 155/32 16.6.2023