SEC. 3. The same Act is hereby amended by inserting between Sections eleven and twelve thereof a new section, to be known as Section eleven-A which shall read as follows
"SEC. 11-A. In the event of any competing individual, association of persons, partnership or corporation receiving from the Congress of the Philippines a similar franchise in which there shall be any term or terms more favorable than those herein granted or tending to place, the herein grantee at any disadvantage then such term or terms shall ipso facto become a part of the terms hereof and shall operate equally in favor of the grantee as in the case of said competing individual, association of persons, partnership or corporation."