Except as permitted by subsection (e) of Section 108.75, no loan shall be made by a corporation to a director or officer except that a loan may be made to a director or officer who is employed by the corporation if authorized by a majority of the non-employed directors and either (a) in the case of a corporation organized for and holding property for any charitable, religious, eleemosynary, benevolent, educational or similar purpose, the purpose of such loan is to provide financing for the principal residence of the employed director of officer upon receipt of adequate collateral consisting of marketable real estate or securities readily capable of valuation or (b) the loan is otherwise in furtherance of the purposes of the corporation and in the ordinary course of its affairs. The directors of a corporation who vote for or assent to the making of a loan to any non-employed director or non-employed officer of the corporation, or otherwise prohibited by this Section, and any other person knowingly participating in the making of such loan, shall be jointly and severally liable to the corporation for the amount of such loan until the repayment thereof.