The ticket gave him seven days to pay the $20 fine. He mailed the check on day six.
The city, not appreciating the fact someone actually paid a parking ticket in the first place, received the payment AFTER day seven, so in its infinite
Here's what the Court of Appeal of Indiana said:
“As an issue of first impression, we hold that payment is made on a parking ticket when the payor deposits the payment in the mail,” Judge Baker wrote. “The issue is too important to allow the city to determine for itself when it believes a payment was made: Any delay on the city’s end could result in a 12,400 percent increase in the fine assessed for a parking violation.”
Score one for the average citizen in Indiana!