Which statement about language and the official Category B theory sitting is correct?

1. Under Ordinance No. 38, Art. 38, a candidate who does not speak Bulgarian sits the electronic test in one of the languages IAAA publishes on its website, and IAAA publishes the official exam questions in English for Categories AM, A1, A2, A, B1, B and T
2. The candidate may choose any EU language on the terminal, including German and French
3. A language other than Bulgarian is allowed only for the practical test, never for theory
4. The only permitted language is Bulgarian; the English question sets are unofficial school translations