(1) The electoral bureaus for postal voting shall ensure the verification of the barcodes printed on the outer envelopes and the registration of their receipt.

(2) After registering the outer envelopes, the president of the electoral bureau for postal voting, his/her alternate or the member appointed by the president of the electoral bureau for postal voting shall verify the integrity of the seal on the outer envelope.

(3) If the outer envelope is unsealed or deteriorated to such an extent that it is likely to affect the integrity of the postal vote, the electoral bureau for postal voting shall annul, by decision, the outer envelope, which is no longer subject to unsealing, verification of the voter certificate and extraction of the inner envelope and its placing in the ballot box.

(4) The outer envelopes sealed and registered according to paragraph (1) shall be unsealed by the electoral bureau for postal voting, which shall verify the voter certificates and the integrity of the inner envelopes and their seals.

(5) The outer envelopes that do not contain the voter certificate shall be annulled by decision of the electoral bureau for postal voting.

(6) The provisions of paragraph (3) shall apply accordingly if the inner envelope is unsealed or deteriorated to such an extent that it is likely to affect the integrity of the postal vote.

(7) Voter certificates shall be grouped by packs, separately from the other materials.

(8) The sealed inner envelopes shall be placed in the ballot boxes, which are sealed at the end of each day of activity and unsealed, where appropriate, in the beginning of each day of activity.

(9) The ballot boxes shall be kept by the electoral bureau for postal voting in absolute safety and under protection ensured by the staff of the Ministry of Interior.