Section 20Local Government Code of 1991 (Republic Act No. 7160), Sec. 20

Reclassification of Lands. -

(a) A city or municipality may, through an ordinance passed by the sanggunian after conducting public hearings for the purpose, authorize the reclassification of agricultural lands and provide for the manner of their utilization or disposition in the following cases: (1) when the land ceases to be economically feasible and sound for agricultural purposes as determined by the Department of Agriculture or (2) where the land shall have substantially greater economic value for residential, commercial, or industrial purposes, as determined by the sanggunian concerned: Provided, That such reclassification shall be limited to the following percentage of the total agricultural land area at the time of the passage of the ordinance:

(1) For highly urbanized and independent component cities, fifteen percent (15%);

(2) For component cities and first to the third class municipalities, ten percent (10%); and

(3) For fourth to sixth class municipalities, five percent (5%): Provided, further, That agricultural lands distributed to agrarian reform beneficiaries pursuant to Republic Act Numbered Sixty-six hundred fifty-seven (R.A. No. 6657). otherwise known as "The Comprehensive Agrarian Reform Law", shall not be affected by the said reclassification and the conversion of such lands into other purposes shall be governed by Section 65 of said Act.

(b) The President may, when public interest so requires and upon recommendation of the National Economic and Development Authority, authorize a city or municipality to reclassify lands in excess of the limits set in the next preceding paragraph.

(c) The local government units shall, in conformity with existing laws, continue to prepare their respective comprehensive land use plans enacted through zoning ordinances which shall be the primary and dominant bases for the future use of land resources: Provided. That the requirements for food production, human settlements, and industrial expansion shall be taken into consideration in the preparation of such plans.

(d) Where approval by a national agency is required for reclassification, such approval shall not be unreasonably withheld. Failure to act on a proper and complete application for reclassification within three (3) months from receipt of the same shall be deemed as approval thereof.

(e) Nothing in this Section shall be construed as repealing, amending, or modifying in any manner the provisions of R.A. No. 6657.