For foreigners it's necessary to proof the following before asking for the license after successfully completing the exam
Act 361/2000, §2, hh):
the usual place of residence within the territory of the Czech Republic means the place of permanent residence of a natural person within the territory of the Czech Republic, or if a natural person does not have permanent residence within the territory of the Czech Republic, the place where the natural person:
1. has stayed for at least 185 days in a calendar year because of personal relations, which particularly means life in a common household, family relations, ownership or lease of real estate and/or because of running a business, performance of another gainful activity or dependent work within the territory of the Czech Republic, or where the natural person
2. stays because of personal relations and returns to such a place regularly, although he/she is running a business, or performing another gainful activity or dependent work in another country, unless such an activity in another country is limited to a definite period.
