- The due-date reminder routine Runs at 08:00, warns three days ahead — and there are two conditions that make it warn nobody at all. 4 min
- The routine that marks instalments overdue Runs at 01:00, allows no grace period at all, and it is what fires the arrears notice and the owner's report. 4 min
- The payment and arrears emails Reminder, arrears notice and payment confirmation — and the case where the student pays and receives nothing. 5 min
