Geographic Boundaries and Composition
- Lapinig's seat of government is established in the barrio of Lapinig.
- The municipality is formed from portions of the municipalities of Gamay, Oras, and the municipal district of Jipapad, all within Samar.
- Boundaries are specifically described:
- North, northwest, and west: A straight line from a midpoint on the shore between the mouth of Gamay River and the poblacion of the barrio of Cagamutan, extending southwesterly to defined points including the south branch of Gamay River and west of Can Maria.
- Southwest: An imaginary line from near Can Maria to a point on Catumsan River near barrio Catumsan.
- Southeast: Following the course of Catumsan River down to its mouth at Helm Harbor.
- Northeast: By municipal waters limits as provided by Section 2321 of the Revised Administrative Code.
Constituent Barrios and Sitios
- Barrios included in the municipality: Cagamutan, Potong, Pio del Pilar, Canomanio, Look, Lapinig, Can Maria, and Catumsan.
- Sitios included: Cahugwayan, Palanas, and Mabini.
Territorial Adjustments
- The municipalities of Gamay and Oras and the municipal district of Jipapad retain their territories except for the portions now included in Lapinig.
Effectivity and Government Organization
- The municipality of Lapinig officially exists upon the appointment and qualification of its mayor, vice-mayor, and majority of councilors.
- It cannot exist earlier than November 15, 1949.
Formalization and Authority
- Effectuated by the President of the Philippines and the Executive Secretary.
- Signed in Manila on October 13, 1949, during the fourth year of Philippine independence.