Changes in Evaluation Guidelines or BRLs

New BRL K17504/04 binding as of 14 January 2026

As of 14 January 2026, the revised evaluation guideline BRL K17504/04 for vulcanised rubber products for cold and hot drinking water has been officially declared binding.

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BRL-K21013/02 published for comments

Please email your comments on draft BRL-K21013/02 dated 09-01-2026 "Container tanks" to us. You can find the changed on this page.

BRL 52203 version 2025 declared binding

A revised version of (an amendment sheet to) BRL 52203 for the Kiwa product certificate for "Pipes for PE pressure pipe systems for outdoor sewerage – Specific requirements" has been declared binding as of December 1th, 2025.

BRL 2023 version 2025 declared binding

A revised version of BRL 2023 for the Kiwa product certificate for "Structured-wall pipes made of PVC-U or PP intended for non-pressure sewerage inside buildings – Specific requirements" has been declared binding as of 17th of September 2025.

BRL-K614 published binding

As of November, 11, 2024 a revised version of the Evaluation Guideline BRL-K614 is published binding.

BRL 5613 published for comments

The new draft-assessment directive BRL 5613 (KOMO) for “Plastic piping systems with metal inner layer intended for indoor heating installations: radiator connections” has been published for comments.

BRL K536-L published for comments

The new evaluation guideline BRL K536-L for “Plastics piping systems with metal inner layer intended for transport of hot and cold drinking water inside buildings” has been published for comments.

BRL-K14041 published binding

As of July 4, 2025 the newly drawn up BRL-K14041 is declared binding. BRL-K14041 contains requirements for a product certificate for "Delivery sets”.

BRL K14101 version 2025 declared binding

The new BRL K14101 "Hygienic aspects for Products in contact with drinking and hot water" has been declared binding as of 7th of July 2025.

BRL K14100 version 2025 declared binding

The new BRL K14100 for the Kiwa product certificate for "General requirements for products in contact with drinking and hot tap water" has been declared binding as of 7th of July 2025.

BRL 9208-2 version 2025 declared binding

A revised version of BRL 9208-2 for the Kiwa product certificate for "Pipes and fittings with smooth inner and structured outer wall for non-pressure underground sewerage made of PP or PE - Specific requirements" has been declared binding as of 27 June 2025.

BRL 9208-1 version 2025 declared binding

A revised version of BRL 9208-1 for the Kiwa product certificate for "Pipes and fittings with smooth, structured wall for non-pressure underground sewerage made of PVC-U or PP - Specific requirements" has been declared binding as of 27 June 2025.

BRL K17105 declared binding

A revised version of BRL K17105 for the Kiwa product certificate for “Plastics piping systems of polyethylene for the transport of drinking water and raw water” has been declared binding as of 17 June 2025.

BRL-K746 has been updated

An updated version of BRL-K746 (Kiwa process certificate for the application of coating systems on metal surfaces of drinking water installation) is published (effective as per 21 March 2025).

BRL-K14027 published for criticism

Effective February 2, 2025 the newly drawn up BRL-K14027 is published for review and comments. BRL-K14027 contains the requirements for a product certificate for " Ductile iron pipes and couplings for wastewater”.

Amendment sheet for BRL-K537 and BRL-KOMO 1149 published

The amendment sheets for the BRL-K537/06 and BRL-1149 have been published on 01 February 2025. Read more about the changes and the amendment sheets on this page.

Termination BRL 2003

There have been no valid certificates for BRL 2003 for some time now, that is why the CvD LSK recently decided to terminate the BRL 2003 with effect from 1-3-2025.

Termination BRL 2040

There have been no valid certificates for BRL 2040 for some time now, that is why the CvD LSK recently decided to terminate the BRL 2040 with effect from 1-3-2025.