A voter who casts a postal vote at a Dutch diplomatic or consular mission abroad or at the Dutch representation in Aruba, Curaçao or St Maarten or at a postal vote polling station established for a designated military mission shall receive from the mayor of The Hague a return envelope addressed to the chairperson of the postal vote electoral committee established there. After having completed the procedures referred to in section M 7, he shall send the return envelope to the said chairperson.