Commonwealth Act No. 142

: The main purpose of Commonwealth Act No. 142 is to regulate the use of aliases by individuals in the Philippines.
: It is permissible to use a different name only as a pseudonym for literary purposes or when a substitute name has been authorized by a competent court.
: A name must comprise the patronymic name and one or two surnames.
: The person must apply for authority in proceedings like those legally provided to obtain judicial authority for a change of name, with separate proceedings for each alias.
: The petition must set forth the original name, the alias or aliases for which authority is sought, specify any aliases already authorized with the corresponding proceedings and dates.
: They are recorded in the proper civil register.
: They must state their real name and all aliases they have been authorized to use.
: The penalty is imprisonment for a period of one month to six months.
: No, aliases can only be used with judicial authority, except for literary pseudonyms.
: It took effect upon its approval on November 7, 1936.