The difference between the fresh water load line in summer and the summer load line is the allowance to be made for loading in fresh water at the other load lines.

S The Summer Load Line indicated by the upper edge of the line which passes through the centre of the disc and also by the upper edge of a line marked S.

(c) for ships to which the International Convention on Load Lines does not apply but which have been assigned a load line in compliance with national requirements, the draught corresponding to the summer load line so assigned;