Non-EMV cards work like magnetic stripe cards. There are three tracks of data on the magnetic stripe. It stored fare information on a magnetic stripe. A magnetic PUF exists on a magnetic stripe card. These have generally been replaced with magnetic stripe cards. Most ec-cards are equipped with a magnetic stripe. Both the Jites and Digivote systems record ballots on cardboard magnetic stripe cards. It completely replaced the old magnetic stripe card Metcard system on 30 June 2013. RFID tags are widely used in identification badges, replacing earlier magnetic stripe cards. All states have systems that use magnetic stripe cards and "on-line" authorization of transactions. The MetroCard is a magnetic stripe card, like the QuickCard. The magnetic stripe is actually blank when the CAC is issued. As of March 2013, Square provides its magnetic stripe card readers to users for free. The card security code is not encoded on the magnetic stripe but is printed flat. In most magnetic stripe cards, the magnetic stripe is contained in a plastic-like film.