Effectivity.
Section 18
SEC. 18. Effectivity. — This Decree shall become effective immediately upon its promulgation. Done in the City of Manila, this 1st day of December, in the year of Our Lord, nineteen hundred and seventy-two. (Sgd.) FERDINAND E. MARCOS President Republic of the Philippines By the President: (Sgd.) ALEJANDRO MELCHOR Secretary Executive The following is the text of the Plebiscite Calendar appended to Presidential Decree No. 73: *(continuation ELECTION CALENDAR)