Summary. The article presents conceptual basis of diagnostics of efficiency of the system of staff motivation at the enterprise for the purpose of: solution problems of legal regulation of salary at enterprises in Ukraine in the field of labor economics, social economics and politics; developments of recommendations to improve the effectiveness of the legal state regulation of salary in Ukraine within economics and business management and law. According to the analyses of juridical practice there are disclosed key practical aspects of legal liability of officials (managers) of the enterprise for violations of Ukrainian legislation on salary.

Key words: enterprise, managers, system of staff motivation, salary, economic diagnostics, business indicators, salary regulation, legal responsibility.