1.The right of option provided for in Article 16 (2) of the Regulation must be exercised in the first instance within the three months following the date on which the employed person was engaged by the diplomatic mission or consular post concerned, or on which he entered into the personal service of agents of such mission or post. The option shall take effect on the date of entry into employment.
When the person concerned renews his right of option at the end of a calendar year, the option shall take effect on the first day of the following calendar year.
2.The person concerned who exercises his right of option shall inform the institution designated by the competent authority of the Member State for whose legislation he has opted, at the same time notifying his employer thereof. The said institution shall, where necessary, forward such information to all other institutions of the same Member State, in accordance with directives issued by the competent authority of that Member State.
3.The institution designated by the competent authority of the Member State for whose legislation the person concerned has opted shall issue to him a certificate testifying that he is subject to the legislation of that Member State while he is employed by the diplomatic mission or consular post in question or in the personal service of agents of such mission or post.
4.Where the person concerned has opted for German legislation to be applied, the provisions of that legislation shall be applied as though he were employed in the place where the German Government has its seat. The competent authority shall designate the competent sickness insurance institution.