Who can initiate an optional referendum at the national level?

Bulgaria
- Government
- President
- Legislative minority
- Registered electors
Bulgaria, Act on Direct Participation of Citizens in Government and Local Government of 29 May 2009 (as amended in 22 February 2022), accessed 7 September 2022
Art. 10. (1) A proposal to the National Assembly to hold a national referendum may be made by:
1. not less than one fifth of the people's representatives;
2. The President of the Republic;
3. The Council of Ministers;
4. not less than one fifth of the municipal councils in the country;
5. an initiative committee of citizens with voting rights that has collected no less than 200,000 signatures of citizens with voting rights.
(2) (Amended - SG No. 56 of 2015, in force from 24.07.2015) The National Assembly adopts a decision to hold a national referendum when this is requested by an initiative committee with a signature containing the signatures of less than 400,000 Bulgarian citizens with electoral rights and does not contradict the restrictions under Art. 9, para. 2, 3 and 4. […]