(1) An amendment of approved benefit fund rules of a friendly society is effective if, and only if:
(a) the amendment has been approved by APRA under subsection 16Q(3) and is in force under section 16T; or
(b) the amendment is determined by APRA under subsection 16R(4) and is in force under section 16T.
(2) Without limiting subsection (1), an amendment of approved benefit fund rules that is in force under section 16T takes effect, by force of this section, as an amendment of the constitution of the friendly society.