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

SECTION 1. Republic Act Numbered Six hundred forty-eight is amended by inserting between sections four and five thereof the following new section:

SEC. 4-A. The Subprovince of Aurora shall constitute a separate, independent and regular engineering district, to which a district engineer shall be assigned in accordance with law.

SEC. 2. Such sum as may be necessary to carry out the purpose of this Act is hereby appropriated out of any funds in the National Treasury not otherwise appropriated.

SEC. 3. This Act shall take effect upon its approval.

Approved, June 22, 1957.