later substituted by HB No. 8899 filed March 5, 2021; it was approved by the House of Representatives on March 17 and was received by the Senate on March 27. It was introduced by Sen. Imee Marcos under Senate Bill No. 2258 on June 1. In the Senate hearing of the Committee on Local Government on January 21, 2022, the National Historical Commission of the Philippines did not pose any objection on the proposed measure and clarified that the proposed change will only apply to the municipality's name; structures and other features such as buildings, schools in the municipality dedicated in memory of the late Senator Rodriguez are not covered by the proposed bill and should be retained. With further minor amendments, the bill was approved on third and final reading on January 31. The House adopted the Senate amendment and the bill was submitted to the president for his signature. On June 2, 2022, Republic Act No. 11812, an act for the reversion of the name of municipality Rodriguez to Montalban and repealing Batas Pambansa Blg. 275, lapsed into law. A plebiscite, having no final schedule yet, will be supervised by the Commission on Elections. Geography Rodriguez is a town of mountains. From its north to south, a series of sloping ridges, hills and mountains ranges adorn the town. In fact, around 27% of the town is occupied by mountains and slopes. The town's highest peak is Mount Irid, above sea level. The province of Rizal covers . Rodriguez makes up 26.6% of the entire province of Rizal, housing 11 barangays. Rodriguez's economic activities include agriculture and commerce such as the Avilon Zoo. Elevation and slope The Municipality of Rodriguez is generally very rough in topography, with 83% of its total land area composed of upland areas, hills and mountain ranges. The remaining 17% low-lying terrain and rolling lands are found at the south-western portion of the municipality, along with the northern portions of the Municipality of San Mateo. The rolling slopes comprise the Marikina River Valley, where water from higher elevations drain towards the Marikina River and its tributaries at the south-western portion of the municipality. Elevations at these western lowlands range from above sea level. The western portion of the flatlands gently rises towards the west, which is part of Quezon City. The mountainous regions of the Municipality of Rodriguez are found at the central and eastern