R-17.0.1, r. 3 - Regulation respecting voluntary retirement savings plans

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40. The value of the benefits accrued during the marriage or civil union corresponds to the difference between the value of the benefits accrued as at the date of the valuation and the date of the marriage or civil union, increased by interest for the period included between the date of the marriage or civil union and the date of the valuation.
The interest referred to in the first paragraph is calculated at the rates of return used for the account during the period in question. Where that rate is not available, interest is calculated at the average annual rates of return on 5-year personal term deposits with chartered banks.
The average annual rates of return referred to in the second paragraph are determined by taking the average of the rates of return on those term deposits, as compiled monthly by Statistics Canada and published in the Bank of Canada’s Banking and Financial Statistics in CANSIM series V122515. However, where the annual rates of return published monthly and available for the current year are fewer than 6 in number, that average is calculated on the basis of the last 6 rates of return available.
Where the result of the calculation made in accordance with the third paragraph is not a multiple of one-quarter of one percent, the average is rounded down to the nearest one-quarter.
O.C. 499-2014, s. 40.