In my question, there are two accounts involved. I will call the account where funds are being taken from (debited) Account A and the account where the cheque deposit happens Account B.
Question: At the bottom of the front side of the cheque is the banking info for Account A, which is a Checking account. What happens if Account A has insufficient funds at the time when money should be taken from that account? Because there is banking info of only one account on the front side of cheque, there is no way that remaining funds could be automatically taken from other checking accounts (if any). The only solution I see here is to make sure to transfer funds from other accounts (either checking or savings or whatever) to Account A via the "Internal Own Account Money Transfer" feature BEFORE the funds are taken, but are there any other options?