When processing a check for John Doe, a non-account check casher, what is the most crucial step?

The most crucial step when processing a check for a non-account holder, such as John Doe, is to request identification and verify his signature. This step is essential for several reasons.

First, verifying identification helps protect against forgery and fraud. Since non-account holders do not have a relationship with the bank, it's crucial to confirm their identity to ensure that they are entitled to cash the check. This safeguard also helps prevent losses for the bank and its customers.

Additionally, verifying the signature against that on the check is another key security measure. It ensures that the person cashing the check is indeed the one who has the legal right to do so, as checks are order instruments, and the issuer intends them to be cashed only by the rightful payee.

While informing the individual about the bank’s policies and procedures or asking for a deposit slip may be part of the overall process, these are secondary to identity verification. Processing the check without any additional verification would expose the bank to significant risk and is not advisable.