(1) For this division, a "contribution period", for which a required fund contribution is determined, is a financial year or other period (not longer than 12 months) determined by the LTCS commissioner to be a contribution period for section 83 (Determination of amount to be contributed to fund).
(2) The LTCS commissioner—
(a) may determine a contribution period that overlaps with another contribution period; but
(b) must not determine successive contribution periods with gaps between the periods.