Calculation of benefits

1.   The competent institution of a Member State whose legislation provides for the calculation of benefits on the basis of the amount of the previous salary or professional income shall take into account exclusively the salary or professional income received by the person concerned in respect of his/her last activity as an employed or self-employed person under the said legislation.
2.   Paragraph 1 shall also apply where the legislation administered by the competent institution provides for a specific reference period for the determination of the salary which serves as a basis for the calculation of benefits and where, for all or part of that period, the person concerned was subject to the legislation of another Member State.
3.   By way of derogation from paragraphs 1 and 2, as far as the ►M1  unemployed persons ◄ covered by Article 65(5)(a) are concerned, the institution of the place of residence shall take into account the salary or professional income received by the person concerned in the Member State to whose legislation he/she was subject during his/her last activity as an employed or self-employed person, in accordance with the Implementing Regulation.