"SECTION 1. Except as a pseudonym solely for literary, cinema, television, radio or other entertainment purposes and in athletic events where the use of pseudonym is a normally accepted practice, no person shall use any name different from the one with which he was registered at birth in the office of the local civil registry, or with which he was baptized for the first time, or, in case of an alien, with which he was registered in the bureau of immigration upon entry; or such substitute name as may have been authorized by a competent court: Provided, That persons, whose births have not been registered in any local civil registry and who have not been baptized, have one year from the approval of this act within which to register their names in the civil registry of their residence. The name shall comprise the patronymic name and one or two surnames."

"SEC. 2. Any person desiring to use an alias shall apply for authority therefor in proceedings like those legally provided to obtain judicial authority for a change of name, and no person shall be allowed to secure such judicial authority for more than one alias. The petition for an alias shall set forth the person's baptismal and family name and the name recorded in the civil registry, if different, his immigrant's name, if an alien, and his pseudonym, if ' he has such names other than his original or real name, specifying the reason or reasons for the use of the desired alias. The judicial authority for the use of alias the Christian name and the alien immigrant's name shall be recorded in the proper local civil registry, and no person shall use any name or names other, than his original or real name unless the same is or are duly recorded in the proper local civil registry."

"SEC. 3. No person having been baptized with a name different from that with which he was registered at birth in the local civil registry, or in case of an alien, registered in the bureau of immigration upon entry, or any person who obtained judicial authority to use an alias, or who uses a pseudonym, shall represent himself in any public or private transaction or shall sign or execute any public or private document without stating or affixing his real or original name and all names or aliases or pseudonym he is or may have been authorized to use."

"SEC. 4. Six months from the approval of this act and subject to the provisions of section 1 hereof, all persons who have used any name and/or names and alias or aliases different from those authorized in section one of this act and duly recorded in the local civil registry, shall be prohibited to use such other name or names and/or alias or aliases."

"SEC. 5. Any violation of this Act shall be punished with imprisonment of from one year to five years and a fine of P5,000 to P10,000."