SECTION 1. The barrios of Capariaan, Biding, Escoda, Culao, Alabaan, Ragas and Agunit in the Municipality of Dingras, Province of Ilocos Norte, are hereby separated from the said municipality and constituted into a new and separate municipality to be known as the Municipality of Marcos, with the following boundaries:
On the Northwest, by the barrios Biding-Rangay boundary going: down to the barrios Capariaan-Gabon boundary consisting of foot path and feeder road; on the Northeast, by the Burnay River which is the common boundary of barrios Agunit and Naglayaan; on the East, by the Ilocos Norte-Mt. Province boundary; on the South, by the Padsan River which is at the same time the boundary between the municipalities of Banna and Dingras; on the West and Southwest, by the boundary between the municipalities of Batac and Dingras.
The Municipality of Marcos shall have its seat of government in the barrio of Biding.