For one-day events, do consider the easy to use and highly secure expiration parking TEMPbadges. expiring parking permits and timing covers help identify unauthorized vehicles and expire within one day. The parking permits come in hangtag and dash card styles to accommodate your business needs. Timing covers are available for cold, moderate and hot weather regions. To activate, simply apply an adhesive timing cover and the expiration process begins. You will never need to collect used parking permits. Keep your parking area safe and secure with expiring parking permits.