(a) No officer, agent or employee of any bank shall offer or give to an employee of the State Banking Department or his family, and no such employee nor his family shall solicit or receive anything of value directly or indirectly from a bank, including a gift, favor, or service or a promise of future employment. Expenses associated with social occasions afforded such employee shall not be deemed a thing of value within the meaning of this section or prohibited hereby.
(b) No superintendent, assistant superintendent, deputy superintendent or bank examiner of the State Banking Department shall, either directly or indirectly, be pecuniarily interested in nor borrow from a state bank. Debts now existing and any debt which may be owing at the time of employment to state banks may not be extended or renewed.
(c) Nothing herein shall be construed to prohibit the superintendent or a State Banking Department employee from owning a certificate of deposit in a state bank, however, no preferential rate shall be granted.