Mateo, Jo-Mark Descargar is a member of the Lakas Christian Muslim Democrats (LAKAS) running for election as member of the Sangguniang Bayan in the 2022 Philippine elections. He is running for election to a seat in San Manuel, Isabela. Mateo's ballot number is 5, with the name appearing on the ballot as "MATEO, JO-MARK (LAKAS)".
This candidate is running for the position of Sangguniang Bayan (Municipal Council) member. A municipal council member is responsible for approving ordinances and passing resolutions for an efficient and effective municipal government, generating and maximizing resources and revenues for the municipality’s development plans, program objectives, and priorities, granting franchises, enacting ordinances authorizing the issuance of permits or licenses, enacting ordinances levying taxes, fees, and charges, regulating activities related to the use of land, buildings, and structures within the municipality, and approving ordinances ensuring the efficient and effective delivery of basic services and facilities.