45. Are there limits on online media advertising spending in relation to election campaigns?

"(1) The print media and the online news services shall offer identical terms and rates to all parties, coalitions and nomination committees which have registered candidates, which shall be made public on the Internet site of the said media providers not later than 40 days in advance of polling day and shall forthwith be transmitted to the Bulgarian National Audit Office and to the Central Election Commission. Payment shall be effected in advance.

(2) The print media and the online news services may alternatively cover at no charge the election campaign of the parties, coalitions and nomination committees which have registered candidates.

(3) The rates referred to in Paragraph (1) may not exceed the average market rates for commercial advertising during the last six months before the start of the election campaign.

(4) It shall be prohibited to make political insinuations in commercial advertising to the benefit or to the detriment of any party, coalition or nomination committee or candidate.

Source: Article 187 (1 - 4), The Election Code, 2014

There are no concrete provisions limiting the expenditures of candidates for online media advertising.