TL;DR — Key Purpose
The sitio of San Isidro in the Municipality of Calolbon, Province of Catanduanes, is converted into a barrio of said municipality to be known as the barrio of San Isidro.
REPUBLIC ACT No. 2477 An Act Creating the Barrio of San Isidro in the Municipality of Calolbon, Province of Catanduanes Be it enacted by the Senate and House of Representatives of the Philippine Congress Assembled: Section 1. The sitio of San Isidro in the Municipality of Calolbon, Province of Catanduanes, is converted into a barrio of said municipality to be known as the barrio of San Isidro. Section 2. This Act shall take effect upon its approval. Approved: June 21, 1959. The Lawphil Project - Arellano Law Foundation