(a) A candidate or officeholder, or a specific-purpose committee for supporting, opposing, or assisting the candidate or officeholder, may not knowingly make or authorize a payment from a political contribution if the payment is made for personal services rendered by the candidate or officeholder or by the spouse or dependent child of the candidate or officeholder to:(1) a business in which the candidate or officeholder has a participating interest of more than 10%, holds a position on the governing body of the business, or serves as an officer of the business; or(2) the candidate or officeholder or the spouse or dependent child of the candidate or officeholder.(b) A payment made from a political contribution to a business described by subsection (a) of this section that is not prohibited by that subsection may not exceed the amount necessary to reimburse the business for actual expenditures made by the business.(c) A discount given by a corporation to conform with subsection (b) of this section does not constitute a political contribution from the corporation.