26. Entries shall be made in the official log book recording the following—
(a)the times of the last closing, before the ship proceeds on any voyage, of the watertight doors and other closing appliances referred to in regulation 22(1) and of the next opening of such doors and closing appliances;
(b)the times of the opening and closing of any watertight door pursuant to regulation 22(3)(c);
(c)the times when the portable plates referred to in regulation 22(7) are fitted in place and the times of any removal and replacement of such plates whilst the ship is on any voyage;
(d)the occasions on which drills are held and inspections made in compliance with these Regulations and whether or not the closing appliances and devices to which any such drill or inspection relates are in good working order when the drill or inspection takes place; and
(e)the occasions upon which the valves referred to in regulation 15(4) are operated.