Revised Penal Code, Art. 181

False testimony favorable to the defendant. -Any person who shall give false testimony in favor of the defendant in a criminal case, shall suffer the penalties of arresto mayor in its maximum period to prision correccional in its minimum period and a fine not to exceed 1,000 pesos, if the prosecution is for a felony punishable by an afflictive penalty, and the penalty of arresto mayor in any other case.