P.R. Laws tit. 2, § 185
When a bill has passed both Houses of the Legislative Assembly, and is returned by the Governor without his signature, and with his objections thereto, and upon reconsideration such bill pass both Houses by a two-thirds vote of the total number of members of which each House is composed as provided for in § 19 of Article III of the Constitution, the bill must be authenticated as having become a law by a certificate endorsed on or attached to the bill, or endorsed or attached to the copy of the statement of objections, in the following form: “This bill having been returned by the Governor with his objections thereto, and after reconsideration having passed both Houses by the two-thirds vote of the total number of members of which each House is composed prescribed in § 19 of Article III of the Constitution, has become a law this __ day of ____________ A.D. __;” which endorsement, signed by the President of the Senate and the Speaker of the House of Representatives is a sufficient authentication thereof. Such bill or statement must then be delivered to the Governor, and by him must be deposited with the laws in the office of the Secretary of State.
History —Political Code, 1902, § 38.