The article presents a warning mechanism aimed at overcoming the provision of perjury. The model of warnings has the form ofa single complex, the elements of which are counteraction to misleading the court or other authority. In the prism of liability under Ar -tic le 384 of the Criminal Code of Ukraine, the warning mechanism is one of the types of special warning of a specific person potentiallycapable of committing an offense. The legislator distinguishes six categories of persons whom he warns of criminal liability for misleadinga court or other authority, namely: witness, victim, expert, translator, appraiser, specialist. The strategy of reducing the crimi -nogenic potential of a person who gives evidence or testimony, conclusion or assessment, or translates should be implemented primarilythrough preventive measures.The addressee of an individual warning, which can be considered as one of the types of special warning, is a specific person (person),potentially capable of committing an offense due to external (materially encouraging circumstances, pressure from the public orparty) and internal factors, personal moral and ethical norms, customs, traditions, beliefs, personal friendship or revenge, indifference,retribution and other motives). Warning encourages the individual to take more seriously, attentively and responsibly to provide anytestimony, information, conclusion, translation; not to be indifferent to investigative or judicial actions, summonses to court, trial.In warning or imperative statements with indicative forms, the will is always expressed in relation to future action, which is clearlyperceived as an order. The strength of the influence of the volitional impulse depends on the person who perceives it. In the processof communication, the forms of the order are addressed to a person who depends on the legislator, respectively, and the nuances of theorder acquire modal values of categoricalness.The specificity of modern law is - imperative (categorical, authoritative). It is the form of imperative that does not allow changesin the previously established requirements to act accordingly. Imperative norms of law: 1) prescribe clearly defined actions; 2) establishan unambiguous exhaustive list and content of the rights and obligations of the subjects; 3) do not involve any deviations.