Be it enacted by the Senate and House of Representatives of the Philippines in Congress assembled:

SECTION 1. The sitio of San Isidro in the Municipality of Sta. Cruz, Province of Marinduque, is converted into a barrio of said municipality to be known as the barrio of San Isidro.

SEC. 2. This Act shall take effect upon its approval.

Enacted without executive approval, April 5, 1959.