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PART 11. LIMITATION. Article 2. After the date of the coining into force of the present Treaty, no vessel exceeding the limitations as to displacement or armament prescribed by this Part of the present Treaty shall be acquired by any High Contracting Party or constructed by, for, or within the jurisdiction of any High Contracting Party. Article 3. No vessel which at the date of the coming into force of the present Treaty carries guns with a calibre exceeding the limits prescribed by this part of the present Treaty shall, if reconstructed or modernized, be rearmed with guns of a greater calibre than those previously carried by her. Article 4. (1) No capital ship shall exceed 35,000 tons (35,560 metric tons) standard displacement. (2) No capital ship shall carry a gun with a calibre exceeding 14 in. (356 mm.): provided, however, that if any of the Parties to the Treaty for the Limitation of. Na val Armament signed at Washington on the 6th February, 1922, should tail to enter into an agreement to conform to this provision prior to the date of the coming into force of the present Treaty, but in any case not later than the Ist April, 1937, the maximum calibre of gun carried by capital ships shall be 16 in. (406 mm.). (3) No capital ship of' sub-category (a) the standard displacement of which is less than 17,500 tons (17,780 metric tons) shall be laid down or acquired prior to the Ist January, 1943. (4) No capital ship the main armament of which consists of guns of less than 10 in. (254 mm.) calibre shall be laid down or acquired prior to the Ist January, 1943. Article 5. (1) No aircraft-carrier shall exceed 23,000 tons (23,368 metric tons) standard displacement or carry a gun with a calibre exceeding 61 in. (155 mm.). 0 '' ,^ le armament of any aircraft carrier includes guns exceeding 525 in. (134 mm.) in calibre, the total number of guns carried which exceed that calibre shall not be more than ten. Article 6. (1) No light surface vessel of sub-category (6) exceeding 8,000 tons (8,128 metric tons) standard displacement, and no light surface vessel of sub-category (a) shall be laid down or acquired prior to the Ist January, 1943. (2) Notwithstanding the provisions of paragraph (1) above, if the requirements ot the national security of any High Contracting Party are, in His opinion, materially affected by the actual or authorized amount of construction by any i ower of light surface vessels of sub-category (&), or of light surface vessels not conforming to the restrictions of paragraph (1) above, such High Contracting 1 arty shall, upon notifying the other High Contracting Parties of His intentions and the reasons therefor, have the right to lay down or acquire light surface vessels of sub-categories (a) and (b) of any standard displacement up to 10,000 tons (10,610 metric tons) subject to the observance of the provisions of Part 111 of the present Treaty. Each of the other High Contracting Parties shall thereupon be entitled to exercise the same right. (3) It is understood that the provisions of paragraph (1) above constitute no undertaking expressed or implied to continue the restrictions therein prescribed after the year 1942. Article 7. No submarine shall exceed 2,000 tons (2,032 metric tons) standard displacement or carry a gun exceeding 51 in. (130 mm.) in calibre.

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