(1)An entry required by this Act in the official log book shall be made as soon as possible after the occurrence to which it relates, and, if not made on the same day as that occurrence, shall be made and dated so as to show the date of the occurrence and of the entry respecting it and if made in respect of an occurrence happening before the arrival of the ship at her final port of discharge, shall not be made more than twenty-four hours after that arrival.