For the purposes of this Chapter, ‘type A legislation’ means any legislation under which the amount of invalidity benefits is independent of the duration of the periods of insurance or residence and which is expressly included by the competent Member State in Annex VI, and ‘type B legislation’ means any other legislation.

A person who h.as been successively or alternately subject to the legislation of two or more Member States and who has completed periods of insurance or residence exclusively under type A legislations shall be entitled to benefits only from the institution of the Member State whose legislation was applicable at the time when the incapacity for work followed by invalidity occurred, taking into account, where appropriate, Article 45, and shall receive such benefits in accordance with that legislation.

A person who is not entitled to benefits under paragraph 2 shall receive the benefits to which he/she is still entitled under the legislation of another Member State, taking into account, where appropriate, Article 45.

If the legislation referred to in paragraph 2 or 3 contains rules for the reduction, suspension or withdrawal of invalidity benefits in the case of overlapping with other income or with benefits of a different kind within the meaning of Article 53(2), Articles 53(3) and 55(3) shall apply mutatis mutandis.