Additional provisions for the calculation of benefit
Article 43
1. For the purposes of calculating the theoretical amount and the actual amount of the benefit in accordance with Article 52(1)(b) of the basic Regulation, the rules provided for in Article 12(3), (4), (5) and (6) of the implementing Regulation shall apply. 2. Where periods of voluntary or optional continued insurance have not been taken into account under Article 12(3) of the implementing Regulation, the institution of the Member State under whose legislation those periods were completed shall calculate the amount corresponding to those periods under the legislation it applies. The actual amount of the benefit, calculated in accordance with Article 52(1)(b) of the basic Regulation, shall be increased by the amount corresponding to periods of voluntary or optional continued insurance. 3. The institution of each Member State shall calculate, under the legislation it applies, the amount due corresponding to periods of voluntary or optional continued insurance which, under Article 53(3)(c) of the basic Regulation, shall not be subject to another Member State’s rules relating to withdrawal, reduction or suspension. Where the legislation applied by the competent institution does not allow it to determine this amount directly, on the grounds that that legislation allocates different values to insurance periods, a notional amount may be established. The Administrative Commission shall lay down the detailed arrangements for the determination of that notional amount.