Do you need to change the bank linked to your tastyworks account? If so, then you can quickly cancel your ACH bank relationship. Canceling an ACH relationship will not cancel any deposits already processing. To cancel deposits, please see this link here.
How to Unlink Your Bank Account
Start by logging in to your account at tastyworks.com and navigate to My Money
To cancel your ACH relationship or bank account, simply log in to your account at manage.tastyworks.com then navigate to My Money>Deposits or Withdrawals. Once in the Deposits or Withdrawals page, navigate to section #2 and click Cancel This Linked Bank Account, as illustrated below:
To learn how to relink your bank account, please click here.