**3. Drug policy of the Czech Republic prison service**

Drug policy of CR PS is governed by a regulation. This regulation stipulates the application of drug policy of CR PS, sets rules, organization, record-keeping, methods and forms of treatment of inmates who have a history of substance abuse, including narcotics and psychotropic substances or their precursors, and people who have no drug history but they can be considered endangered by them [6].

The PS drug policy is implemented by the following specialized wards established in detention facilities and prisons:

a.Drug prevention center,

b.Drug-free zone with standard regimen,

c.Drug-free zone with therapeutic regimen,

