(1) In total, 81 election districts are created within the territory of the Czech Republic for the purpose of the elections to the Senate. One Senator is elected in each election district. A list of election districts is attached to this act of law as Appendix No. 3.

(2) Should the population of any election district in the Czech Republic increase or decrease by 15 per cent in comparison with the average number of citizens per mandate, the territory of election districts shall be modified accordingly. Such modification shall be carried out only in the years in which the elections to the Senate are held.