Republic Act No. 1863

: Republic Act No. 1863 is an Act creating the Municipality of General Mamerto Natividad in the Province of Nueva Ecija by separating certain barrios from the City of Cabanatuan.
: The barrios separated were Mataas na Kahoy, Norte, Balangkare Sur, Sapang Kawayan, Sampaloc, Talabutab Norte, Talabutab Sur, Platero, Pecaleon, PiAahan, Kabulihan, Pasong-Hari, Balaring, Pulong Singkamas, Bravo, Sapang Bato, Burol, Miller, Tila Patio, Pula, Carinay, and Acacia.
: The seat of government is at the site of the then-present barrio of Sapang Kawayan.
: The President of the Philippines has the authority to appoint the first mayor, vice-mayor, and councilors of the new municipality.
: They will hold office until their successors have been elected and have qualified.
: The new municipality shall be part of the second district of the Province of Nueva Ecija.
: The Act took effect upon its approval on June 22, 1957.
: The Senate and the House of Representatives of the Philippines in Congress assembled enacted the Act.
: Creating a new municipality provides political and administrative autonomy to the area, allowing for localized governance and potentially improved delivery of services to the residents.
: Yes, the appointed officials hold office only until their elected successors have been elected and have qualified, implying that regular local elections will follow.