AN ACT EXCLUDING THE PENALTY FOR FISHING WITH THE USE OF OBNOXIOUS OR POISONOUS SUBSTANCE, AS DEFINED IN PARAGRAPH (M) OF SECTION OF 3 OF PD NO. 704, UNDER SECTION 33 OF PD NO. 704 FROM THE COVERAGE OF THE PROBATION LAW, AMENDING FOR THIS PURPOSE SECTION 2 OF PD. NO. 1990