Make a medallion required for 30 days out of this month, 29 days out of next mon...

JeffL on Jan 13, 2014 | parent | context | favorite | on: Uber car attacked by Paris cab drivers on strike

Make a medallion required for 30 days out of this month, 29 days out of next month, 28 days out of the next month, etc, until in 30 months, medallions are not required at all.