Yellow: Freedom and liberty.

Shield: From the Provincial Seal of La Union where the Municipality is located.

Green: It is an agricultural town with tobacco, rice and corn as main products.

Basket: Weaving, primary industry of the townspeople.

Plow: Farming, primary occupation of the people of Sudipen.

Blue: Amburayan River which surrounds the northern and eastern borders.

Map: Geographical area of the town.

Irrigation Dam: National Irrigation Administration Office in the Municipality which supplies irrigation system for the towns of Sudipen, Bangar, Luna, and Balaoan.