Section 3 of the Principal Act is amended as follows:(a) by inserting the following definition after the definition of prohibited name :recognition certificate means a certificate that (a) is issued under a law of another State that recognises that a person who has undergone sexual reassignment surgery may have changed sex; and(b) is issued in respect of a person who, having undergone sexual reassignment surgery, has changed sex; and(c) states the sex of that person as so changed;(b) by inserting the following definition after the definition of regulations :sexual reassignment surgery means a surgical procedure involving the alteration of a person's reproductive organs carried out (a) for the purpose of assisting the person to be considered to be a member of the opposite sex; or(b) to correct or eliminate ambiguities relating to the sex of the person;