SECTION 1. The Province of Misamis is hereby divided into two provinces, to be known as Oriental Misamis and Occidental Misamis, in the following manner:
The Province of Oriental Misamis shall consist of that portion of the present Province of Misamis which comprises the municipalities of Balingasag, Cagayan, Gingoog, Initao, Salay, Tagoloan, and Talisayan, the island of Camiguin with its municipalities and adjacent small islands, and the municipal districts of Claveria, Lourdes, and Napaliran.
The Province of Occidental Misamis shall consist of the other portion of the present Province of Misamis, comprising the municipalities of Baliangao, Plaridel, Oroquieta, Aloran, Jimenez, Tudela, Clarin, and Misamis, and of the portion of the Province of Zamboanga described as follows: Beginning at the end of the boundary between Zamboanga and Misamis on the North coast, in a straight line to the intersection of the meridian of east longitude, with the parallel of 8°, north latitude; thence continuing in a straight line to the west bank of the mouth of the Labangan River; thence following the coast line to South end of the boundary between Zamboanga and Lanao on the coast; thence following the boundary between Zamboanga and Lanao to the North end of said boundary on the coast; thence following the coast line to the South end of the boundary between Zamboanga and Misamis; thence following the boundary between Zamboanga and Misamis.
The provisions of this section to the contrary notwithstanding, if upon making the division herein provided for, the unity of any municipal districts or barrios in the portion of the territory of Zamboanga hereby annexed to Occidental Misamis is affected, the Governor-General may direct that the portion of the municipal district or districts or barrios which in accordance with the boundaries established in this section belongs to the Province of Zamboanga, shall be annexed to the municipal district or districts or barrios belonging to Occidental Misamis.