According to the Official Journal of the European Union, on January 31, 2023, the European Commission issued Regulation (EU) No. 2023/200. According to Regulation (EC) No. 1107/2009 of the European Parliament and the Council, lemon essential oil (calcium propionate) is not approved as a basic substance. 

These Regulations shall come into effect on the 20th day from the date of promulgation.

See more: https://eur-lex.europa.eu/legal-content/EN/ALL/?uri=uriserv:OJ.L_.2023.027.01.0026.01.ENG