What remedies are available in the first instance?

Article 83 […] (3) The refusal of registration shall be appealable before theSupreme Administrative Court according to the procedure established by Article26 (8) herein. If the court revokes the decision appealed, the Central ElectionCommission shall forthwith register the party for participation in theelections, regardless of whether the time limit referred to in Article 82 (1)herein has expired, but not later than 50 days in advance of polling day […].

ElectionCode Bulgaria 2011. State Gazette No. 9 of 28 of January, 2011 http://www.venice.coe.int/webforms/documents/?pdf=CDL-REF(2011)008-e