WHEREAS, to avoid ambiguity in the interpretation of Section 1 of Presidential Decree No. 1661 there is a necessity of amending said Section to jibe with the provisions of Sections 2 (6) and Section 10, Article XII (C) of the Constitution.

NOW, THEREFORE, I, FERDINAND E. MARCOS, President of the Republic of the Philippines, by virtue of the powers vested in me by the Constitution, do hereby amend Section one of Presidential Decree No. 1661 to read as follows:

"SECTION 1. Guest candidacy. — It shall be unlawful for any registered or accredited political party to nominate and/or support as its official candidate any person belonging to another accredited or registered party unless he has affiliated with the nominating party at least six months before the election."

SEC. 2. Effectivity. — This Decree shall take effect immediately.

DONE in the City of Manila, this 3rd day of January, in the year of Our Lord, nineteen hundred and eighty.

			(Sgd.) FERDINAND E. MARCOS President of the Philippines
	By the President:
	(Sgd.) JUAN C. TUVERA
		Presidential Assistant