As an FIEC Marriage Celebrant, you are required to follow 'A Service for Marriage' - 1st or 2nd Form from 'An Australian Prayer Book 1978' (AAPB) when conducting a wedding.
The text of both services are available here to download:
An Australian Prayer Book. © 1978 The Anglican Church of Australia Trust Corporation.*
Please also be up to date with the guidelines and the Notice of Intended Marriage Fact Sheet.
* Copyright information
The following is taken from www.broughtonpublishing.com.au
"Members of the Anglican Communion and churches of other denominations are welcome to make print or electronic copies of An Australian Prayer Book, in whole or in part for liturgical or church purposes, free of charge provided they are attentive to the integrity of the text, that copies are not made available for sale and that the source of the extract is appropriately acknowledged e.g. title and page number."