1. In the event of vacancy in the Senate, the President of the Republic of Poland shall order by-elections to the Senate to be conducted.
2. A by-election shall be ordered and conducted within three months following the ascertainment of the vacancy in the seat of a senator. The by-election shall not occur within six months prior to the day, on which the term of promulgation of the order on elections to the Seym elapses.
3. The order of elections, referred to in paragraph 1 above, shall be issued pursuant to the provisions of Article 9, paragraph 2; the statement of the President of the Republic on by-elections shall be immediately published by the National Electoral Commission in an announcement, given in the electoral constituency where the by-election is to take place. The National Electoral Office shall ensure printing and posting of announcements.
4. Voting in by-elections shall be conducted only on the territory of the Republic of Poland.
5. The provisions of Article 23 concerning the issue of certificates of eligibility to vote shall apply only to electors residing on the territory of an electoral constituency where the by-election is conducted.
