(a) Represents in any capacity or divides commissions with any surety company or other writer of a surety bond in the writing of any bond or contract subject to the approval of such public officer or employee; or

(b) Represents in any capacity or divides commissions with an insurance company or other insurer in the writing of any policy of fire, casualty, workmen’s compensation or other insurance which is paid for from the public funds of the political unit served by such officer or employee.