(1)When any sum is due from any person on account of -(a)tax on advertisements other than the advertisements published in newspapers, or(b)any other tax, fee or charge leviable under this Act, the Municipal Commissioner or the Executive Officer may either prosecute such person, if prosecution lies under the provisions of this Act, or cause to be served on such person a notice of demand in such form as may be specified by regulations or in such other form as the Municipal Commissioner or the Executive Officer may deem fit.