The fifth conference decides:
To recommend that the Governments should adhere to the provisions of Treaty No. 1, concluded at Washington on February 6th, 1922, in so far as this Treaty lays down that:
a) no Power shall acquire capital ships of over 35,000 tons, nor aircraft carriers of over 27,000 tons.
b) no war vessel shall carry guns exceeding a 16-inch calibre (406 millimetres).
Source: A.35. (Part II.) 1923. IX, League of Nations, Report of the Temporary Mixed Commission for the Reduction of Armaments, Part II. Annex 1, p11, 15 August 1923