Sky Blue: Body of water.

Red & Blue: From Philippine National Flag.

Structure on Blue Field: Oldest structure inMunicipality. Viejo, a symbol of heritage, peace and order.

Plow on the Red Field: Agriculture.

Three Wavy Blue Stripes: Bodies of water found in Municipality, namely: Cagayan and Magat Rivers and a creek.

Yellow Pentagon: Crown of Queen Mercedes, lady of King Alfonso III of Spain.

Yellow: Peace and democracy.

Corn, Peanut, Rice & Tobacco on Green Field: Agricultural products of Municipality.

Green: Farms and vegetation.