child has not attained his majority to decide on nationality of his own choice. (d) A naturalised person of a Member State who has beforehand made a formal application and satisfies the following conditions: (i) had renounced the nationality of any State outside the Community and such a renunciation is explicitly supported by an act of renunciation duly authenticated by the appropriate authorities of the country or countries whose nationality or nationalities he formerly enjoyed, and (ii) had effectively resided permanently in a Member State for a continuous period of fifteen years preceding his application for Community Citizenship. Such residence shall mean a permanent establishment of abode on the territory of a Member State without any subsequent transfer to any State outside the Community. The ECOWAS Council of Ministers or any organ of the Community invested of such power at the request of a Member State may reduce this period of fifteen years for the benefit of a person because of exceptional services that such a person had rendered to the Community or because of any other special consideration. (e) However, a naturalised person of any Member State may not be granted such status of community citizenship if by granting such status the fundamental interests of one or more Member States shall be jeopardised. (i) Any child who is not a Community citizen at birth or whose nationality is unknown, adopted by a naturalised citizen of the Community and who at the age of 21 years expressly takes up the nationality of his adopted parent. However, such adopted child shall enjoy this status only after fifteen (15) years of permanent and continuous residence in the same Member State. (ii) (f) An adopted person by a naturalised citizen of the Community and having already attained the age of 21 years before the entry into force of the present Protocol and who is of dual nationality, who expressly renounce the nationality of any other State outside the Community. However, he shall only enjoy the status of the Community citizenship only after fifteen (15) years of permanent and continuous residence in the same Member State. Any child born of naturalised parents of a Member State who has acquired the citizenship of the Community in accordance with the provisions of Paragraph (d) above. However, in order to become eligible for Community Citizenship, the child