Section 1
SECTION 1. Any provision of the law to the contrary notwithstanding, the Province of Isabela is hereby constituted into two highway engineering districts. The first highway engineering district shall comprise the municipalities of San Pablo, Cabangan, Magsaysay, Sto. Tomas, Tumauini, Ilagan, Naguilian, Benito Soliven, San Mariano Palanan, Gamu, Burgos, Roxas, Quirino, San Manuel, Aurora, Mallig, Quezon and Sta. Maria with main office in the Municipality of llagan, and the second highway engineering district shall comprise the municipalities of Reina Mercedes, Cauayan, Luna, Cabatuan, San Mateo, Ramon, Santiago, Cordon, Echague, San Isidro, Jone3, San Agustin, Alicia, Angadanan, and San Guillermo with ttain office at the Municipality of Cauayan.