(1) The foreign mission election office at a foreign mission and the parliamentary single-member constituency election office in the settlement of the seat of a parliamentary single-member constituency shall ensure that return envelopes containing a vote can be handed over.
(2) Return envelopes may be dropped in the ballot box under the permanent supervision of the office. Ballot boxes shall be kept at a safe place at the foreign mission. Return envelopes may be returned to a foreign mission also by mail.
(3) In settlements that are the seat of a parliamentary single-member constituency, observers delegated by nominating organisations drawing up a national list may be present at the supervision of the ballot box. Section 5 shall apply to observers.