G/TBT/N/RWA/475  
29 July 2021  
(21-5883) 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:  RWANDA   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:  Rwanda Standards Board (RSB)  
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:   
Rwanda Stan dards Board  
KK 15 Rd, 49  
P.O.BOX 7099, Kigali, Rwanda  
Tel: +250 788303492  
Email: info@rsb.gov.rw   
Website: www.rsb.gov.rw  
3. Notified under Article 2.9.2 [X], 2.10.1 [   ], 5.6.2 [   ], 5.7.1 [   ], other :  
4. Products covered (HS or CCCN  where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Tea (ICS 
67.140.10)  
5. Title, number of pages and language(s) of the notified document:  DRS 476: 2021, 
Flavoured green tea — Specification (1 3 page(s), in English)  
6. Description of content:  This Draft Rwanda Standard specifies requirements, sampling 
and test methods for flavoured green tea of Camellia sinensis (Linneaus) O. Kuntze.  
This standard is not applicable to green tea which is not fla voured or green tea subject 
to further processing such as decaffeination.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Consumer information, labelling; Prevention of deceptive practices and 
consumer protection; Qua lity requirements; Reducing trade barriers and facilitating trade  
8. Relevant documents:   
ISO 1575, Tea — Determination of total ash RS CAC/RCP 1, General principles of food 
hygiene RS EAS 38, Labelling of pre -packaged foods — General requirements  
RS EAS 921, Green tea — Specification  
RS ISO 14502 -1, Determination of substances characteristic o f green and black tea — 
Part 1: Content of total polyphenols in tea – Colorimetric method using Folin — 
Ciocalteu reagent  
RS ISO 14502 -2, Determination of substances characteristic of green and black tea — 
Part 2: Content of catechins in green tea — Method  using high -performance liquid 
chromatography  
RS ISO 15598, Tea — Determination of crude fibre content  
RS ISO 1572, Tea — Preparation of ground sample of known dry matter content  G/TBT/N/RWA/475  
 
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  RS ISO 1573, Tea — Determination of loss in mass at 103 degrees C  
RS ISO 1576 , Tea — Determination of water -soluble ash and water -insoluble ash  
RS ISO 1577, Tea — Determination of acid -insoluble ash  
RS ISO 1578, Tea — Determination of alkalinity of water -soluble ash  
RS ISO 16649 -2, Microbiology of food and animal feeding stuffs — Horizontal method 
for the enumeration of beta -glucuronidase -positive Escherichia coli — Part 2: Colony -
count technique at 44 °C using 5 -bromo -4-chloro -3-indolyl beta -D-glucuronide  
RS ISO 1839, Tea — Sampling  
RS ISO 21527 -2, Microbiology of food and animal f eeding stuffs — Horizontal method 
for the enumeration of yeasts and moulds — Part 2: Colony count technique in products 
with water activity less than or equal to 0,95  
RS ISO 3103, Tea — Preparation of liquor for use in sensory tests  
RS ISO 6579 -1, Microbio logy of the food chain — Horizontal method for the detection, 
enumeration and serotyping of Salmonella — Part 1: Detection of Salmonella spp. — 
Amendment 1: Broader range of incubation temperatures, amendment to the status of 
Annex D, and correction of the  composition of MSRV and SC  
RS ISO 9768, Tea — Determination of water extract  
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:   
KK 15 Rd, 49  
Toll Free: 3250  
Tel: +250 788303492  
Email: info@rsb.gov.rw  
Website: www.rsb.gov.rw  
P.O.BOX 7099, Kigali, Rwanda  
https://members.wto.org/crn attachments/2021/TBT/RWA/21_4889_00_e.pdf