SECTION 1. Article forty-eight of Act Numbered Thirty-eight hundred and fifteen, entitled "An Act revising the Penal Code and other penal laws", is hereby amended to read as follows:
"ART. 48. Penalty for complex crimes.—When a single act constitutes two or more grave or less grave felonies, or when an offense is a necessary means for committing the other, the penalty for the most serious crime shall be imposed, the same to be applied in its maximum period."