Does It Matter What Order You Use Checks?
The order you write cheques in is up to you. It just makes reconciling your balances easier if they're in sequential order. No, bank doesn't care. It may make it more difficult to balance your checkbook because you have to remember that your checks are out of sequence.
Do checks have to be cashed in order?
When you write a check, you don't always have to name the recipient. For example, you can write a check that says "Pay to the Order Of: Cash.” While this can be convenient, it also means the check can be cashed or deposited by anybody.
How to Write and Cash Checks Payable to Cash - The Balance
Does it matter what check number I start with?
In reality, it doesn't matter what your check number is or your history, the only important thing is that your check clears. You can start your check number with any number you wish. When ordering checks, there is usually a line on the order form that asks you what number should they start with.
My bank started my checking numbers with 1000. Why did they ... - Quora