1.This Regulation can neither confer nor maintain the right to several benefits of the same kind for one and the same period of compulsory insurance. However, this provision shall not apply to benefits in respect of invalidity, old age, death (pensions) or occupational disease which are awarded by the institutions of two or more Member States, in accordance with the provisions of Articles 41, 43 2. and (3), 46, 50 and 51 or Article 60 (1) (b).
2.Save as otherwise provided in this Regulation, the provisions of the legislations of a Member State governing the reduction, suspension or withdrawal of benefits in cases of overlapping with other social security benefits or any other form of income may be invoked even where such benefits were acquired under the legislation of another Member State or where such income was acquired in the territory of another Member State.
3.The provisions of the legislation of a Member State for reduction, suspension or withdrawal of benefit in the case of a person in receipt of invalidity benefits or anticipatory old-age benefits pursuing a professional or trade activity may be invoked against such person even though he is pursuing his activity in the territory of another MemberState.
4.An invalidity pension payable under Netherlands legislation shall, in case where the Netherlands institution is bound under the provisions of Article 57 (5) or 60 (29) (b) to contribute also to the cost of benefits for occupational disease granted under the legislation of another Member State, be reduced by the amount payable to the institution of the other Member State which is responsible for granting the benefits for occupational disease.