If the mandate due to the electoral precinct by the majoritarian system remains unclaimed in the process of the regular elections to the National Assembly or due to the premature termination of the powers of a deputy, by-elections are assigned and carried out in the respective precinct. 

By-elections by the proportional system are assigned and carried out in the republic in the event of no less than 10 vacancies in the allocation for the proportional system. 
 

 
The mandate of the deputy to the National Assembly elected by the proportional system, whose powers were prematurely terminated, is given to the next candidate in the respective list within two weeks of the termination date by a decision of the Central Electoral Commission. 

If the powers of the deputy to the National Assembly were prematurely terminated based on point 3 Article 42 of this law, by-elections are assigned to fill the vacancy, provided the total number of vacancies in the National Assembly from the allocation for the elections by the proportional system is not less 10. 

By-elections are also assigned in the case when less than 2/3 of the total number of the deputies to the National Assembly are elected in the regular elections. In such cases the by-elections are assigned by a decision of the Central Electoral Commission no later than 60 and no sooner than 50 days after the day of re-voting. They are carried out in the procedure prescribed by this law and in the timeframe defined by the Central Electoral Commission.
 

 
The district and precinct electoral committees can be reorganized or formed in the timeframe defined by this law for regular elections.
 

 
By-elections are carried out according to the electoral districts and precincts formed for the regular elections.

Article 53. Nomination and registration of candidates for deputies in the by- elections

 
By-elections are carried out with new nominations of the candidates for deputies. 

The nomination of candidates or lists of public-political organizations or their blocs is done according to the procedure defined for regular elections. 

The list of candidates nominated for previous elections by a public-political organization or their bloc taking part in the by-elections by the proportional system is voided. 
 

 
The voting in by-elections is carried out in the month of May or October. 

By-elections are carried out in the procedure prescribed by this law.