What if I am unable to cancel a check? Jeff Swersky September 22, 2020 18:29 Updated If your account has automatic deposits enabled- please email firstname.lastname@example.org. Related articles How long does my customer have to dispute a check? How long does it take to receive funds via Seamless Chex? How many checks have I used/ checks left Can my customers dispute eChecks/file a chargeback? Is a signature required on a check? Comments 0 comments Please sign in to leave a comment.