(a) Hinged doors, portable plates, sidescuttles,
gangway, cargo and other ports and other openings, which are required
by these Regulations to be kept closed during navigation, shall be
closed before the ship leaves port. The time of closing and the time
of opening (if permissible under these Regulations) shall be recorded
in such log book as may be prescribed by the Administration.
(b) A record of all drills and inspections required
by Regulation 20 shall be
entered in the log book with an explicit record of any defects which
may be disclosed.