Effectivity Clause.
Section 10
SEC. 10. Effectivity Clause. – This Decree shall take effect immediately Done in the City of Manila, this 15th day of January, in the year of Our Lord, nineteen hundred and eighty-one. (Sgd.) FERDINAND E. MARCOS President of the Philippines By the President: (Sgd.) JUAN C. TUVERA Presidential Executive Assistant Vol. 25, Vital Documents, Presidential Decree 1980-1981