Placing of road markings and signs to indicate prohibitions and restrictions on waiting, loading and unloading and parking
23.—(1) The road marking shown in diagram 1020.1 may be placed on a side of the carriageway of a road only for the purpose of indicating a statutory prohibition or restriction on the waiting of vehicles for the purpose of their being loaded or unloaded which applies on that side of the road at all times of the day on every day of the year or on every day in a period of at least four consecutive months.
(2) The road marking shown in diagram 1019 may be placed on a side of the carriageway of a road only for the purpose of indicating a statutory prohibition or restriction on the waiting of vehicles for the purpose of their being loaded or unloaded (but not for indicating a statutory prohibition or restriction which expressly limits the duration of waiting by vehicles within a particular period for that purpose) which is not a restriction of the kind mentioned in paragraph (1).