2.2.1.5.

The performance of the endurance braking system shall be such that it fulfils the requirements of paragraph 1.8. of Annex 4 to this Regulation (Type-IIA test), with a laden vehicle mass comprising the laden mass of the motor vehicle and its authorized maximum towed mass but not exceeding a total of 44 tonnes.

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2.3.1.5. The performance of the endurance braking system shall be such that it fulfils the requirements of paragraph 1.8. of Annex 4 to this Regulation (Type-IIA test), with a laden vehicle mass comprising the laden mass of the motor vehicle and its authorized maximum towed mass but not exceeding a total of 44 tonnes. a0c0