The main Slovenian authority for Food/Feed Safety is the Ministry of Agriculture, Forestry and Food, whose responsibilities cover the safety for novel food and feed, including GMO food and feed: 

http://www.mkgp.gov.si/en/areas_of_work/food_safety/.

Contact: Elizabeta Micovic, e-mail: (elizabeta.micovic@gov.si).

In the field of Food Safety related to food supplements and foods for special dietary use, the Slovenian authority is the Ministry of Health: http://www.mz.gov.si/en/.

Contact: Marjeta Recek, e-mail: (marjeta.recek@gov.si).