Law of Ukraine № 393/96-VR as of 02.10.96 "On citizens’ appeals" (with changes and amendments)
Order of the Ministry of Finance of Ukraine № 297 as of 15.06.2020 "On approval of the Procedure for consideration of appeals and organization of personal reception of citizens in the State Tax Service of Ukraine and its territorial bodies"
Resolution of the Cabinet of Ministers of Ukraine № 348 as of 04.14.1997 "On approval of instructions on the administration of citizens’ appeals in the state power bodies and local self-government, citizens' associations, enterprises, institutions, organizations regardless of the ownership forms, in mass media" (with changes and amendments)
Decree of the President of Ukraine № 109/2008 as of 07.02.2008 "On priority measures to ensure implementation and guarantee of the constitutional right to apply to state authorities and local self-government bodies"