The first one is to submit an application for Bulgarian citizenship, which must be written in Bulgarian and submitted in person at:

- The Ministry of Justice, or

- At a diplomatic or consular representation of Bulgaria abroad.

A list of the required documents is published on the Ministry of Justice website and is available in Bulgarian and English.

- For persons up to the age of 14, the application must be submitted by both parents (if one parent is not deprived of parental rights) or by the guardian.

- For persons aged 14 to 18, the application must be submitted in person with the consent of the parents or guardian who sign it.

When the application is submitted, if it is established that all the necessary documents have been submitted, an interview with the applicants is also conducted, which:

- shall be conducted in Bulgarian;

- is on a questionnaire approved by the Minister of Justice.

- To get an idea of the applicant's command of the Bulgarian language, whether he/she is basically familiar with the state structure of Bulgaria, various areas of the country's public life, holidays, famous historical figures, what are his/her motives for wanting to acquire Bulgarian citizenship.

- Through the website of the Ministry of Justice, in the section "Bulgarian Citizenship", by the registration number and PIN received when submitting the documents.

- The decree is issued by the President and comes into force on the day it is issued.