The Emergency Measures of the Ministry of Health states the obligation to wear a respirator or other protective device without an exhalation valve with a filtration efficiency of at least 94% (class FFP2 / KN 95) in places with a high concentration of persons (such as shops, medical facilities, public transportation, etc.), for all persons over the age of 15 years. In other places, a surgical mask will suffice.
This is monitored by municipal and also by state police forces.The powers of the police may also be exercised by the Customs Administration and members of the Army of the Czech Republic. Less serious violations of an extraordinary measure can be resolved by agreement, but a fine of up to CZK 10,000 may also be imposed. A fine may be imposed on the spot or the matter may be referred to administrative proceedings.
If you violate quarantine or isolation, it can be treated as a crime of spreading infectious disease.
Sanctions are governed by this legislation
Police jurisdiction to monitor the wearing of protective face covering by the public is stated by a Special Law. Penalties are stated by the Act No. 258/2000 Coll., on the protection of public health (§ 92n, paragraph 1b of this Act), and by the Act No. 250/2016 Coll.,on the liability for offences and proceedings concerning them (§ 91 of this Act).