Code of Massachusetts Regulations
807 CMR - TEACHERS' RETIREMENT BOARD
Title 807 CMR 22.00 - Interest On Incorrect Payments
Section 22.01 - Determination of Payment Amount

When an error exists in the records maintained by the System or an error is made in computing a benefit and, as a result, a member or beneficiary (hereinafter "Member") receives from the System more or less than the Member would have been entitled to receive had the records been correct or had the error not been made, an amount shall be paid to the Member or collected from the Member, as the case may be, that represents the difference between what should have been paid and what was paid (hereinafter the "Principal"). Collection may occur through benefit offsets or other method as prescribed by the Board.