Regulation 62 Closets etcI1
England, Wales and Scotland
(1)
No wheeled vehicle first used after 15th January 1931 shall be equipped with any closet or urinal which can discharge directly on to a road.
(2)
Every tank into which a closet or urinal with which a vehicle is equipped empties, and every closet or urinal which does not empty into a tank, shall contain chemicals which are non-inflammable and non-irritant and provide an efficient germicide.