Conditions for entry to the Czech Republic, Update June 21, 2021:
The current Protective measures and List of Countries according to the level of Covid-19 risk :
Visits to Ministry of the Interior (Department for Asylum and Migration Policy) offices with effect from October 22nd, 2020 by appointment only
Details: https://www.mvcr.cz/docDetail.aspx?docid=22261607&doctype=ART
You can register here: https://registrace.mzcr.cz/samoplatci/ocm/index_en.html