Gambling operators must be legal persons with their registered office in the Czech Republic, another Member State of the European Union or in a Contracting State Party to the Agreement on the European Economic Area.
"§ 6 - Operator:
(1) The operator of gambling, with the exception of small scale tournaments can only be
a) the Czech Republic,
(b) a legal person which has
1. registered office in the Czech Republic, another Member State of the European Union or in a Contracting State Party to the Agreement on the European Economic Area,
2. organizational structure with proper, transparent and a comprehensive definition of the scope and powers,
3. an established supervisory board, board of directors or another similar inspection body (hereinafter referred to asv"Control body"), 
4. own resources of at least 2 000 000EUR,
5. transparent and sound origin of resources,
6. a transparent ownership structure from which it is made obvious who its real owner is under the law governing measures against the proceeds of crime and the financing of terrorism (hereinafter referred to as the "beneficial owner"),and
7. material, personnel and organizational prerequisites necessary for the performance of the intends to gamble.
(2) The operator of the raffle may also be a legal person other than that referred to in paragraph 1 and having its registered office in the Czech Republic, another Member State of the European Union or in a State party to the Agreement on the European Economic Area.
(3) The operator of a small-scale tournament can only be a legal entity
(a) which has its registered office in the Czech Republic, State of the European Union or in a State which is a Contracting Party to the Agreement on the European Economic Area,
(b) whose principal activity is not business, and
(c) whose ancillary business and its the proceeds, if it carries out such an activity, serve only to support the core business.[...]" (Law on Gambling (186/2016), last amended 17 December 2020, § 6 [google translation])
Law on Gambling (186/2016), last amended 17 December 2020, § 6
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