In any other enactment, unless the context otherwise requires, a reference to a civil union refers to—
(a) a civil union entered into under and in accordance with this Act; and
(b) a relationship that is entered into overseas and—
(i) is of a type identified by regulations made under section 35(1)(a) as being a type of relationship that is recognised in New Zealand as a civil union; and
(ii) is between 2 people who are at least 18 years old or, if either party is younger than 18, was entered into with the consent of that party's guardians.