18. Is there a limit on the amount a donor can contribute to a candidate?

"(1) The contribution by one natural person to one party or coalition may not exceed BGN 10,000 for one calendar year. (2) The contribution by one natural person to one nomination committee and the candidate or, respectively, candidates registered thereby may not exceed BGN 10,000."

Source: Article 167 (1-2), the Election Code, 2014