[Proposal of psychomotor skill assessment tests for drivers and a protocol for sampling and testing of saliva, blood and urine when there is reason to suspect involvement of substances with alcohol-like effect].

The paper proposes tests to assess psychomotor impairment in drivers suspected of using substances acting similarly to alcohol. The authors also present a proposal for the protocol to be used in sampling and testing of saliva, blood and urine when psychoactive substance abuse has been suspected. A detailed procedure is based on the joined experience of German, U.