Section 122Local Government Code of 1991 (Republic Act No. 7160), Sec. 122

Procedure in Local Initiative. -

(a) Not less than one thousand (1,000) registered voters in case of provinces and cities, one hundred (100) in case of municipalities, and fifty (50) in case of barangays, may file a petition with the sanggunian concerned proposing the adoption, enactment, repeal, or amendment of an ordinance.

(b) If no favorable action thereon is taken by the sanggunian concerned within thirty (30) days from its presentation, the proponents, through their duly authorized and registered representatives, may invoke their power of initiative, giving notice thereof to the sanggunian concerned.

(c) The proposition shall be numbered serially starting from Roman numeral I. The COMELEC or its designated representative shall extend assistance in the formulation of the proposition.

(d) Two (2) or more propositions may be submitted in an initiative.

(e) Proponents shall have ninety (90) days in case of provinces and cities, sixty (60) days in case of municipalities, and thirty (30) days in case of barangays, from notice mentioned in subsection (b) hereof to collect the required number of signatures. (f) The petition shall be signed before the election registrar. or his designated representatives, in the presence of a representative of the proponent, and a representative of the sanggunian concerned in a public place in the local government unit, as the case may be. Stations for collecting signatures may be established in as many places as may be warranted.

(g) Upon the lapse of the period herein provided, the COMELEC, through its office in the local government unit concerned, shall certify as to whether or not the required number of signatures has been obtained. Failure to obtain the required number defeats the proposition.

(h) If the required number of signatures is obtained, the COMELEC shall then set a date for the initiative during which the proposition shall be submitted to the registered voters in the local government unit concerned for their approval within sixty (60) days from the date of certification by the COMELEC, as provided in subsection (g) hereof, in case of provinces and cities, forty-five (45) days in case of municipalities, and thirty (30) days in case of barangays. The initiative shall then be held on the date set, after which the results thereof shall be certified and proclaimed by the COMELEC.