2.2.1.

Power-driven vehicles having a maximum mass exceeding 16 tonnes, or authorized to tow a trailer of category O4 shall be fitted with an endurance braking system according to paragraph 2.15. of this Regulation which complies with the following requirements:

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2.3.1. Power-driven vehicles having a maximum mass exceeding 16 tonnes, or authorized to tow a trailer of category O4 shall be fitted with an endurance braking system according to paragraph 2.15. of this Regulation which complies with the following requirements: a0c0