Hours for stuffing and unstuffing of containers
19.  The stuffing and unstuffing of any container at a container freight station or of any container, in respect of which customs supervision of its stuffing and unstuffing has not been waived by a senior officer of customs under regulation 10, shall be carried out during —
(a)8 a.m. to 1 p.m. and 2 p.m. to 4.30 p.m. from Monday to Friday; and
(b)8 a.m. to 12.30 p.m. on Saturday.