The school which issued your diploma has to be an institution accredited by the Ministry of Education of the same country/state where it is situated. In most cases it is clear from the diploma. In case it is not, you should ask the Ministry of Education in your country for the proof that your school is accredited within your country‘s educational system.
The payment of administrative fee is usually made by bank transfer or in cash at the regional authority. In case the amount transferred is not exact, the regional authority will not accept the payment and the application is considered as void.
A guide on how to get a certified copy of a legalized document and its official translation is available here.
Your application for recognition can either be submitted in person at the regional authority office (recommended), through a representative who has your official authorization (power of attorney) to act on your behalf in this process of recognition or by post.
Applicants who attained secondary education in Slovakia, Slovenia, Hungary or Poland acknowledge that Czechia is bound in relation to these states by the agreements on the mutual recognition of educational qualifications. Such applicants can use their documents directly within the territory of Czechia without having to apply for recognition.