http://www.immi.gov.au/migrants/partner ... efacto.htm"Relationship
You and your partner must have been in a de facto relationship for the entire 12 months immediately prior to lodging your application.
See: One-Year Relationship Requirement
The 12-month relationship requirement may be waived if one of the following situations applies:
*
you can demonstrate compelling and compassionate circumstances, such as if you have children with your partner. * all the following circumstances apply:
o your partner is, or was, the holder of a permanent humanitarian visa
o prior to their permanent humanitarian visa being granted, you were in a relationship with your partner that meets the requirements of a de facto relationship
o the department was informed of this before the permanent humanitarian visa was granted.
You and your partner must show a mutual commitment to a shared life to the exclusion of all others. You and your partner must be living together or, if not, any separation must be only temporary. You must also have a genuine and continuing relationship with your partner.
See: Evidence of a Genuine and Continuing Relationship"
Bon courage pour ces démarches épuisantes et longues, mais ça vaut vraiment le coup !!!