23(1)Where in pursuance of safety regulations a United Kingdom passenger ship to which this Schedule applies is marked with subdivision load lines, and the lowest of those lines is lower than the line which, apart from this sub-paragraph, would be the appropriate load line for the purposes of paragraph 4 of this Schedule, the said paragraph 4 shall have effect as if that subdivision load line were the appropriate load line for the purposes of that paragraph.
(2)Where in pursuance of safety regulations a non-United Kingdom passenger ship to which this Schedule applies is marked with subdivision load lines, and the lowest of those load lines is lower than the line which, apart from this sub-paragraph, would be the appropriate load line for the purposes of paragraph 14 of this Schedule, that paragraph shall have effect as if that subdivision load line were the appropriate load line for the purposes of that paragraph.