Monthly permit are activated by scratching off MONTH, DATE, and YEAR of the parking period. Once cell in each category (day, month, year) should be scratched off. Failure to properly activate your permit may result in parking tickets. Do not activate other permits prior to using them. Example: If you scratch off August 15, 2015, your monthly permit is valid until September 14, 2015. On September 15, 2015, activate your new monthly permit.