The city clerk shall make diligent inquiry and examination as to all persons in the city liable to pay for licenses as provided in this chapter, and he is hereby empowered, and it shall be his duty, to require each person procuring a license as provided in this chapter to make a statement under oath, or affirmation, of the amount of business a member, or the firm of which he is attorney, or for which he is agent, or the association or corporation of which he is president, secretary or managing or resident agent, have done or transacted during the last preceding month, or quarter, as the case may be, in order to carry out the provisions of this chapter. The clerk shall keep in his office, a set of books to be called the "city license register", in which he shall enter the names of all parties to whom he issues licenses, the business, trade or profession licensed, the time for which license holds good, the date of issuance and the date of its expiration; and the amount received therefor; and he shall exhibit such books to the board of councilmen whenever required so to do. (Ord. 83, 2-18-1976)