Analysis of information sources in references of the Wikipedia article "Hungarians in Slovakia" in English language version.
"175. According to the Act on the State Language of the Slovak Republic and the Act on the Use of Languages of National Minorities, minority languages may be used in private without limitations, while official use of minority languages in contacts with local authorities is regulated according to set thresholds (previously 20% and now 15%).[138] The list of municipalities where the right to use the language of a national minority in official communication can be applied will be updated, once the results of the 2021 census are known. (...) [138] By Act No. 204/2011, amending the Act on the Use of Languages of National Minorities, citizens of the Slovak Republic have the right to use the language of a national minority in municipalities where citizens of national minorities make up at least 15% of the population according to two consecutive population censuses. However, this will only occur after the results of the 2021 census have been announced.