Regidor

A regidor (plural: regidores) is a member of a council of municipalities in Spain and Latin America. Portugal also used to have the same office of regedor.

Mexico
In Mexico, an ayuntamiento (municipal council) is composed of a municipal president (mayor), one or two síndicos (attorney general) and several regidores who meet in cabildo (council) sessions. A regidor is the community representative (commissioner) before the municipal government.

The responsibilities of a regidor are:
 * To participate in council session and administer the interests of the municipality
 * To exert faculties of inspection and oversee the branches of public administration
 * To obtain information from the municipal president regarding the services offered by the different dependencies

Some activities of a regidor are:
 * Propose or reform of municipal regulations
 * Vote on municipal affairs
 * To attend a commission assigned to them
 * Promote social participation
 * Propose measures for municipal development

All municipalities of Aguascalientes have five regidores and one síndico except for the capital, which has ten regidores and two síndicos.