From the Canberra Times:
Canberran Jessica Walsh has reached a milestone day - the day when she can hand back a birth certificate that for her tells a lie.
Monday, April 28: new ACT laws take effect to allow people to change the sex on their birth certificate without the need for sexual reassignment surgery. All that is required is for a doctor or psychologist to certify a person has received ''appropriate clinical treatment'', which is deliberately not defined. More » about Jessica Joyful About Getting Her New birth Certificate