(1) A registered political party shall deposit a contribution received in one or more separate campaign accounts in a financial institution.
(2) A registered political party may not deposit or mingle a contribution received into a personal or business account.
(3) A registered political party or county political party may not expend a contribution for political purposes or a political issues expenditure if the contribution:
(a) is cash or a negotiable instrument;
(b) exceeds $50; and
(c) is from an unknown source.