SECTION 1. The first paragraph of Section fifty -of Republic Act Numbered Two hundred ninety-six, otherwise known as "The Judiciary Act of 1948," as amended, is further amended to read as follows:
"Eight judges shall be commissioned for the First Judicial District. Three judges shall preside over the Courts of First Instance of Cagayan, Batanes and the Subprovince of Apayao in the Mountain Province, and shall be known as judges of the first, second, and third branches thereof, respectively, the judge of the first branch to preside also over the Court of First Instance of the Subprovince of Apayao and the judge of the second branch to preside also over the Court of First Instance of Batanes; three judges shall preside over the Court of First Instance of Isabela, and shall be known as the judges of the first, second and third branches thereof; and two judges shall preside over the Court of First Instance of Nueva Vizcaya, to be known as the judges of the first and second branches thereof."