As used in this article, the following terms shall have the meanings indicated:
A small portable electronic module that is designed to be hung on a rearview mirror, unless otherwise designated by the Director of Parking Enforcement, incorporating an electronic display on which information can be seen readily. Each electronic component shall be numerically keyed to the electronic debit card to which it is issued.
A card, whether or not prepaid, capable of being programmed to allow a user to activate an IVPS for a particular purpose when read by the electronic component.
Refers collectively to the electronic component and the electronic debit card that is inserted into the electronic component to activate it. All components of the IVPS are nontransferable and must be activated, installed or otherwise operated in the manner set forth in this article in order for use of the IVPS to be valid.