European Union:
- REGULATION (EU) 2018/1139 of the European Parliament and of the Council of 2018 July 4 Regarding the general rules of civil aviation and establishing the European Union Aviation Safety Agency, the European Parliament and Council Regulations (EC) No. 2111/2005, (EC) no. 1008/2008, (EU) no. 996/2010, (EU) no. 376/2014 and directives 2014/30/EU and 2014/53/EU and the European Parliament and Council regulations (EC) No. 552/2004 and (EC) no. 216/2008 and Council Regulation (EEC) No. 3922/91;
- COMMISSION REGULATION (EU) No. 1321/2014 of 2014 November 26 on continued airworthiness of aircraft and serviceability of aviation products, parts and devices and approval of organizations and employees performing these tasks;
- Acceptable Means of Compliance (AMC) and Guidance Material (GM) to Annex III (PART-66) to Regulation (EU) No 1321/2014;
National legislation:
- Aviation Law of the Republic of Lithuania of 2000 October 17 No. VIII-2066 Vilnius;
- 2019 of the Lithuanian Transport Safety Administration September 9 director’s order no. 2BE-252 “On the approval of technical supervision training organizations and approval of the rules for their continuous supervision in accordance with the requirements of part 147”;
- Public Institutions Transport Competence Agencies 2020 January 31 director’s order no. 2-22 “on the approval of the description of the qualification compliance assessment procedure for aircraft/component maintenance, aircraft airworthiness continuity management, aircraft maintenance training organizations”;
- Public Institutions Transport Competence Agencies 2020 September 11 director’s order no. 2-228 “on the director of the transport competence agency of the public institution dated 2020 August 19 order no. 2-215 “Regarding the amendment of forms approval”