(1) Where the amount of a public service pension is reduced by section 2 or 2A-

(a) a pensioner is not entitled to receive an amount of public service pension greater than the amount so reduced, and

(b) subject to a direction given by the Minister under section 4(1) for the purposes of the aggregation of public service pensions, no paying authority is entitled to pay an amount of public service pension to the pensioner greater than the amount so reduced.

(2) Subject to a direction given by the Minister under section 4(1) for the purposes of the aggregation of public service pensions, if a paying authority pays to a pensioner an amount of public service pension greater than the amount reduced under section 2 or 2A, then -

(a) the pensioner shall have no legal entitlement to the overpayment, and