Code of
Practice

What’s New in ATIEL Code of Practice Issue 25

This Issue of the ATIEL Code of Practice (Issue 25) is published by ATIEL and comes into effect on March 11th 2025. It supersedes Issue 24.  Issue 24 of the Code of Practice remains available on the ATIEL website, for valid claims against ACEA 2022 heavy duty sequences, until October 1st 2026.

This issue considers the ACEA sequence 2024 for HD engine oil.

This Issue is published simultaneously with a new edition of the ATC Code of Practice. Changes have been made to the two documents to ensure they are now fully harmonised.