Whenever a vehicle without an operator is found parked in violation of a restriction imposed by this title, the officer finding the vehicle shall take the make, its state license number, the date, hour and meter post of such violation, together with such facts, a knowledge of which are necessary to a thorough understanding of the circumstances attending such violation, and any other information displayed on the vehicle which may identify its owner, and shall conspicuously affix to the vehicle a traffic citation for the operator to answer to the charges against him or pay the penalty imposed within five days during the hours and at a place specified in the citation.