220 CMR, 52.564
This account shall include the income accrued on cash, securities (other than securities issued or assured by the accounting company) and other assets held in sinking and other reserve funds.
The amount to be shown in the income statement is the net amount after deducting incidental expenses.
220 CMR, 52.564
Note A. - When the income accruing on the cash or other assets held in sinking fund or other reserve fund is required to be retained therein, the amount of such income will be concurrently charged to account No. 413, "Surplus Applied to Sinking Fund and Other Reserves," and credited to the appropriate balance sheet reserve account.
Note B. - In case the Sinking Fund is held by a bank or trust company, the interest which accrues on the amount deposited shall be charged to "Sinking Fund" and credited to "Sinking Fund Reserve."