(1) The owners corporation for a units plan must approve a sinking fund plan not later than—
(a) if the corporation is established after the commencement of this division—12 months after the day of the corporation's 1st annual general meeting; or
(b) in any other case—12 months after the day this division commences.
(2) If the owners corporation has approved a sinking fund plan under this Act, the corporation must approve a new sinking fund plan not later than 12 months before the end of the 10-year period to which the existing plan relates.