00652naa#a2200169#i#450# EN\\bibl\55996 20240508155644.3 2588-0071 20221228b2022####ek#y0engy0150####ca RU Problems of regulation of the activities of registered entrepreneurs in the terms of application of the special tax regime “Tax on professional income” Journal article Nizhny Novgorod Nizhny Novgorod Academy of the Ministry of the Interior of Russia 2022 7 с. Journal article local Elfimov Oleg Mihaylovich Shchekaleva Kristina S. namvd.editorum.ru