Problem:

I have created the bank file and now you realize that I want to make changes to the timesheets before I send the file to the bank.

OR

I might have realized that I only created a bank file for one payroll group when I have multiple payroll groups that can be sent in one file rather than many to cut down on the costs of doing payroll. 

Solution:

You can create the bank file as many times as you wish (prior to posting the timecards).

Keep in mind, however, that the banks files Sequence Number will increment by one each time the file is created. If you create the file more than once, please ensure that the correct sequence number has been entered.