If you have an alarm permit, you may have received an email and/or a mailed invoice recently. The mailing address for payments is also now a PO Box in Texas. This is legitimate. Of course, there will be scammers that may try to imitate the email addresses or similar city email addresses for alarm permits. We understand there is always a concern for scammers, we encourage you to visit http://famspermit.com/GreenBay. This change allows payments and account management all online.