Versions of s. 50.1(1)(a)(ii)
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the ratio, adjusted or altered in the manner prescribed pursuant to subsection (3) and rounded to the nearest one-thousandth or, where the ratio is equidistant from two one-thousandths, to the greater thereof, that for the twelve month period ending on the day before the three month period immediately preceding the adjustment day bears to for the twelve month period ending on September 30, 1985; and