Local Government Code of 1991
Section 494. Ex-Officio Membership in Sanggunians. - The duly elected presidents of the liga at the municipal, city and provincial levels, including the component cities and municipalities of Metropolitan Manila, shall serve as ex-officio members of the sangguniang bayan, sangguniang panlungsod, sangguniang panlalawigan, respectively. They shall serve as such only during their term of office as presidents of the liga chapters, which in no case shall be beyond the term of office of the sanggunian concerned.