Local Government Code of 1991
Section 49. Presiding Officer. -
(a) The vice-governor shall be the presiding officer of the sangguniang panlalawigan; the city vice-mayor, of the sangguniang panlungsod; the municipal vice-mayor, of the sangguniang bayan; and the punong barangay, of the sangguniang barangay. The presiding officer shall vote only to break a tie.
(b) In the event of the inability of the regular presiding officer to preside at a sanggunian session, the members present and constituting a quorum shall elect from among themselves a temporary presiding officer. He shall certify within ten (10) days from the passage of ordinances enacted and resolutions adopted by the sanggunian in the session over which he temporarily presided.