It shall be the duty of every person engaging in a public utility business as defined in this chapter to keep and preserve books or records which accurately reflect the amount of gross income received from business done in the city of Lacey and copies of reports furnished to the State Department of Revenue as part of the accounting required for state utility tax reporting and said books and records shall be open to the inspection of the city for the purpose of verifying the returns filed by such person and the sums paid pursuant to this chapter. Said records shall not, by virtue of the requirements of this action, be deemed public records for purpose of disclosure other than to the duly authorized agents of the city for the purposes set forth herein. (Ord. 749 §1 (part), 1985).