Due to the fact that I received strange questions, I would like to remind you that by the end of every semester, FEBA administration publishes schedule of the examination session
The Schedule for the summer semester of the academic year 2021/2022 - Bachelor's degree and Master's degree:
https://www.uni-sofia.bg/index.php/bul/universitet_t/fakulteti/stopanski_fakultet/za_studentite_aktualno/kalendar_bakalavri/grafik_na_izpitnata_sesiya_za_leten_semest_r_na_uchebka_gist_g_
(in the attached table chart there is additional information about the form of the exam and the necessary links)