On June 19, 1965, the final bill with the title - "An Act Authorizing the City of Manila to Establish and Operate the University of the City of Manila and for Other Purposes" - was signed into law by President Diosdado P. Macapacal in a signing ceremony at Malacañang Palace. The signing was witnessed by Atty. Primitivo de Leon, Mayor Villegas, Congressman Ramon Mitra Jr., and its main sponsor in the House of Representatives, Congressman Albert. The law was captioned as Republic Act No. 4196, which now serves as the University Charter.