The majority of infractions have an expiry date. You can see this by going to your control panel, looking at the drop down titled "latest infractions received" and seeing the date under the expired column.
#3
WiFO215
416
1
You criminal! Do not pass go, do not collect $200. However, if you roll the dice and get two of the same number or possesses a get out of infraction card, the PF Mentors may think about it.
#4
Saitama
4,244
93
They expire but sadly the Infraction tab remains. :(