47. Where a member or beneficiary has become entitled to a benefit under the terms of the pension plan,
— additional voluntary contributions,
— member or employer contributions paid under a defined contribution plan or under terms in a defined benefit plan or a target benefit plan that are identical to those of a defined contribution plan, and
— member contributions above the limit set by section 60,
shall continue, subject to the provisions of section 45.1, to bear interest at the rate prescribed by section 44 or 45 until such contributions are transferred under section 90.2, used to replace a pension under section 92, are transferred in accordance with section 98 or are refunded, or until an additional pension is purchased with such contributions as provided in section 83.