Article 6

The forms for personal identity cards shall be printed in Slovene and English, and also in Italian or Hungarian in the areas determined by statute in which people of Italian or Hungarian ethnicity respectively live together indigenously with people of Slovene ethnicity.

Source: Report submitted by the Republic of Slovenia pursuant to Art. 25 Para. 1 of the Framework Convention for the Protection of National Minorities
http://www.humanrights.coe.int/minorities/Eng/FrameworkConvention/StateReports/2000/slovenia/slovenia.html#annex2