Page:พรบ ชื่อบุคคล ๒๕๐๕ (๑).pdf/4

 shall duplicate a family name granted by a king or family name already registered;

shall contain an impolite word or meaning;

shall contain more than ten consonants, save where a royally conferred name is used as a family name.

Any Thai national who desires to register a family name newly created shall make an application to the local registrar of the locality the household register of which contains his name according to the law on civil registration.

When the local registrar considers and finds that the family name created according to the application is not contrary to this Act, he shall further submit it to [the relevant officers] according to the order [of precedence] until it reaches the Central Registrar. Once approval has been obtained from the Central Registrar, the local registrar shall accept to register the family name and issue a certificate indicating the registration of the family name to the applicant.

Execution of this section shall be in accordance with the criteria and procedure designated in a ministerial regulation.

A family name lawfully registered prior to the day of coming into force of this Act shall be deemed as if having been registered under this Act.