Adoption Act 2009

A final adoption order may be discharged on any of the following grounds—

the order was made or something was done for the purpose of making the order—

because of a false or misleading document or representation; or

because a person acted fraudulently or used undue influence on another person; or

in another improper way;

a consent required for the adoption was not given freely and voluntarily by a person with capacity to give the consent;

there are other exceptional circumstances that warrant the discharge.

For this section, a person used undue influence on another person if the first person—

used or threatened to use force or restraint against the other person; or

caused or threatened to cause injury to the other person; or

caused or threatened to cause any other detriment to the other person.