Section 103(v) in The Punjab Scheduled Roads and Controlled Areas Restriction of Unregulated Development Rules, 1965
(v)if the urinal can be entered from within the building, and is constructed to discharge into a waste pipe, which also receive the discharge from another urinal, or from a water closet, bath, sink, bidet or lavatory basin, the trap of the urinal shall be ventilated by a pipe which shall -