29. For regulation 25 there shall be substituted—
“25.—(1) Subject to paragraph (2), every ship to which freeboards are assigned under these Regulations shall comply with the conditions of assignment applicable to that ship and set out in Schedule 2 of Merchant Shipping Notice MSN 1752 (M).
(2) An existing ship may, instead of complying with the conditions of assignment referred to in paragraph (1), comply with such of the requirements relevant to the assignment of freeboards to ships as were applicable to her under the law in force immediately before 21st July 1968.”.