However, no benefits shall be provided under this Convention with respect to any period prior to its entry into force, although periods of insurance or residence completed before the said entry into force shall be taken into account in the determination of benefits.

Where the rules of the Greek auxiliary pension funds ("Emxoupixa tafieia") make provision for the recognition of compulsory old age pension insurance periods completed with statutory Greek insurance institutions ("") these rules shall also apply to compulsory pension insurance periods in the pension branch completed under the legislation of any other Member State falling within the scope of the Regulation.

The Canadian Act covers all the basic principles necessary for an adequate level of protection for natural persons, even if exceptions and limitations are also provided for in order to safeguard important public interests and to recognise certain information which exists in the public domain.

'(c) the reduction referred to in Article 13 (2) of the AOW shall not apply to calendar years or parts thereof prior to 1 January 1957 during which the spouse of a pensioner who fails to satisfy the conditions for having these years treated as periods of insurance resided in the Netherlands between the spouse's 15th and 65th birthdays or during which, despite being resident in the territory of another Member State, the spouse pursued an activity as an employed person in the Netherlands for an employer established in the Netherlands.';

Where the rules of the Greek auxiliary pension funds ("aa?éeionéeUE ôáiaassá") make provision for the recognition of compulsory old age pension insurance periods completed with statutory Greek insurance institutions ("eýnéáo áóoeUEëéóço") these rules shall also apply to compulsory pension insurance periods in the pension branch completed under the legislation of any other Member State falling within the scope of the Regulation.