Domestic ACH file structure and contents

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Change to CS Support service hours

Our Support department is closed on Friday, April 28th for a company event. However, limited Accounting CS phone support is available on that date from 9 AM - 5 PM ET due to the approaching deadline for quarterly payroll tax forms.

Links to our most popular payroll tax processing topics are available in the Alerts and notices section on the right side of most pages.

The ACH file created by the application is organized as follows. Click a record type in the diagram for details about that type.

An ACH file is a simple ASCII-format file that adheres to Automated Clearing House specifications. A single ACH file holds multiple electronic transactions, much like a manila file folder that is used to store and transmit dozens of sheets of paper with information related to a single topic. Each transaction within an ACH file carries either a credit or a debit value. Typically, a payroll ACH file contains many credit transactions to employees' checking or savings accounts, as well as a balancing debit transaction to the employer's (that is, your client's) payroll account.

ACH file structure

image File Header Record Company Batch Header Record Company Batch Header Record 2 Entry Detail Record Tax Deposit Addenda Company Batch Control Record Entry Detail Record 2 Tax Deposit Addenda 2 Company Batch Control Record 2 File Control Record

See also: Direct deposit overview

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