[F1ANNEX IV U.K. Energy reservoirs and sources of energy

A. Compressed-air braking systems U.K.

3. PRESSURE TEST CONNECTIONS U.K.

3.1. A pressure test connection shall be fitted at the closest readily accessible position to the least-favourably placed reservoir within the meaning of point 2.4 of this Annex. U.K.
3.2. The pressure test connections shall comply with clause 4 of ISO standard 3583-1984.] U.K.