They could send me a monthly statement like my city government does.
Instead, they wait a year to let me know I slipped up and then charge me interest.
Guys, if you know I slipped up now you could have told me a year ago.
This is not purposeful but likely a side effect of them still relying on ancient COBOL mainframes that seem unable to keep up with the growing population (and thus growing number of tax filers.)
They could send me a monthly statement like my city government does. Instead, they wait a year to let me know I slipped up and then charge me interest. Guys, if you know I slipped up now you could have told me a year ago.