With effect of 21/09/2020, the government has modified the quarantine regulations of Government Decree No. 408/2020:
The duration of quarantine has been reduced from 14 days to 10 days on entry for non-business and economic purposes. For exemption from the quarantine two negative SARS-CoV-2 PCR tests are required. Tests performed in any of the Schengen countries, in the USA or Canada are accepted as first test, if the result can be proven by a document in English or in Hungarian.