Are you able to create an email on a per-payroll and per-client basis that contains this data for participating clients? The data should be in the form of a CSV or XLS attachment. See a sample here.

The subject line of the email should be in the form of: fffff Check Listing Pay Date mm/dd/yyyy - xxxxxxxxxxxx, where fffff is the payroll frequency of the specific client (ie: Weekly, Semi-monthly, Bi-weekly, etc.), mm/dd/yyyy is the checkdate and xxxxxxxxxxxx is the name of the client's company. An example would be:
    Weekly Check Listing Pay Date 03/20/09-ACME WIDGETS LLC

The destination email address will be assigned by TotalBen and will be in the form of yourentity@totalben.com

The data fields for the attachment can all be found on the check register. They are:

• Client ID
• Client Name
• Check Date
• Employee Number
• Employee Name
• Gross Wages
• Hourly Rate
• Regular Hours
• Overtime Hours
• Overtime Wages
• Tips
• Gender
• Work State
• WC Code
• Payroll #
• Check Num