SECTION 1. Section twenty-one of the Administrative Code is hereby amended to read as follows:
"SEC. 21. Officials authorized to administer oaths.—The following officers have general authority to administer oaths, to wit:
"Notaries public; judges of courts; clerks of Courts of First Instance and the Clerk of the Supreme Court; the Secretary of the Senate; the Secretary of the House of Representatives; registers of deeds; justices of the peace and the auxiliary justices of the peace; the governor of a province; the president of a municipality; the president of a township; any other officer in the Philippine service appointed by the Governor-General, Secretary of War, or President of the United States. A person who by authority of law shall act in the capacity of any of the officers mentioned above shall possess the same powers."