(1) This section applies to a person who was a certifier under the Building Act 1972 (repealed).
(2) If, immediately before the commencement day, the person was a government certifier, the person is taken to be a government certifier under this Act and the person's appointment continues as if it had been made under this Act.
(3) If, immediately before the commencement day, the person was a certifier other than a government certifier, the person is taken to be a certifier other than a government certifier under this Act and the person's appointment continues as if it had been made under this Act.
(4) If, before the commencement day, a certifier did something under the Building Act 1972 as in force at any time, the certifier is taken to have done that thing for this Act.