SECTION 1. The following sitios in the Municipality of, Lupon, Province of Davao, are converted and or constituted as barrios of said municipality, as follows:
(a) The sitios of Caganganan, Bagsak, and Cogon are constituted into a distinct and independent barrio of said municipality, to be known as the barrio of Caganganan;
(b) The sitio of New Visayas is hereby converted into a distinct and independent barrio of said municipality, to be known as the barrio of New Visayas;
(c) The sitios of Don Mariano, Upper Mangel, Pangyan, and Lower Mangel are constituted into a distinct and independent barrio of said municipality, to be known as the barrio of Don Mariano; and
(d) The sitios of Mahayahay, To-ak, and Tagoret are constituted into a distinct and independent barrio of said municipality, to be known as the barrio of Mahayahay.