G/TBT/N/TZA/883  
10 January 2023  
(23-0286) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  TANZANIA  
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:   
Tanzania Bureau of Standards (TBS)  
MOROGORO/Sam Nujoma Road, Ubungo  
P O BOX 9524, Dar es Salaam, Tanzania  
Tel: +255 222450206,  
E- mail: nep@tbs.go.tz  
Website: www.tbs.go.tz  
Name and address (including telephone and fax numbers , email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated if different from above:   
Zanzibar Bureau of Standards (ZBS)  
P.O BOX: 1136 Zanzibar  
Tel: +255 -24-2232225  
Email: info@zbs.go.tz  
Website: www.zbs.go.tz  
3. Notified under Article 2.9.2 [X], 2.10.1 [  ], 5.6.2 [  ], 5.7.1 [  ], 3.2 [  ], 7.2 [  ], 
other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Envelopes 
of paper or paperboard (excl. letter cards) (HS code(s): 481710); Other paper products 
(ICS code(s): 85.080.99)  
5. Title, number of pages and language(s) of the notified document:  PCD 429: 2022, 
Envelope — Specification, First Edition; (10 page(s), in English)  
6. Description of content:  This Draft Zanzibar National Standard prescribes the 
designations, requirements and methods of sampling a nd test for correspondence 
envelopes in general and machineable mail in particular intended to be sent by post  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Consumer information, labelling; Quality requirements  
8. Relevant documents:   
• ZNS 94, Rounding off numerical values.  
• PCD 431, (Part 1) Methods of sampling and test for paper and allied products  
• ISO 216:2007, Writing paper and certain classes of printed matter — Trimmed 
sizes — A and B series, and indication of machine direction  G/TBT/N/TZA/883  
 
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  • ISO 478:1974, Paper — Untrimmed stock sizes for the ISO -A Series — ISO 
primary range  
• ISO 593:1974, Paper — Untrimmed stock sizes for the ISO -A Series — ISO 
supplementary range  
• IS 2257, Paper adhesives, liquid gum and office paste type  
• ISO 269, Correspondence envelopes — Designation and sizes  
• ISO 535, Paper and board — Determination of water absorptiveness — Cobb 
method  
• ISO 536, Paper and board — Determination of grammage  
• ISO 2494, Paper and board — Recommended procedure for t he determination 
of roughness — Constantpressure air -flow method  
• PCD 430, Method for determination of porosity of paper  
• ISO 1831, Printing specifications for optical character recognition ISO 24253, 
Random sampling and randomization procedures  
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  To be determined  
10. Final date for comments:  60 days from notification  
11. Texts available from:  National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
Contact person(s):  
Ms. Bahati Samillani (NEP officer) and Mr. Clavery Chausi  
Tanzania Bureau of Standards (TBS)  
Morogoro/Sam Nujoma Road, Ubungo  
P O Box 9524 
Dar Es Salaam  
Tel: +(255) 22 2450206  
Email: nep@tbs.go.tz ; bahati.samillani@tbs.go.tz  
Website: http://www.tbs.go.tz  
https://members.wto.org/crnattachments/2023/TBT/TZA/23_0324_00_e.pdf