Give the three dates different names
Use “statement expected,” “check,” and “payment due” when those events occur on different dates. For a bill due on the 18th, the assigned adult might look for the statement on the 8th and check the payment method on the 12th. The calendar should tell the next reader what each date means.
Write the task from the owner’s point of view
A row could read “Jordan checks March electricity by the 12th. Automatic payment due the 18th. Confirm amount afterward.” A second adult can see that no one needs to send a manual payment. If Jordan is away, explicitly transfer the check to someone who can see the necessary evidence.
Repeat only the part that really repeats
Set the check date early enough to resolve a question. If a bill has several dates, label the statement date and payment date separately. After the payment appears, mark that particular bill complete while leaving the next monthly reminder in place.
A reminder to look for the next bill can recur monthly. The amount, statement period and payment confirmation belong to one bill. Do not copy last month's “paid” mark into next month's entry. If a service changes its due day, update the recurring reminder as well as the current bill.