A person that accepts public campaign financing under Title 15 of this article may not solicit or accept a donation on behalf of a contested election committee in excess of the contribution limits established under Title 15 of this article. A person that accepts public campaign financing under § 13–505 of this article may not solicit or accept a donation on behalf of a contested election committee in excess of the contribution limits established in law by the governing body of the county in accordance with § 13–505 of this article. A contested election committee may not accept a loan other than a loan from: a financial institution or other entity in the business of making loans; or the personal funds of a candidate or the candidate’s spouse if the contested election committee was established to finance a recount of an election in which the candidate was on the ballot. A loan under this subsection may be of any amount.