Enable ACH Payments for a Vendor

Field	Value
Owner	Unassigned — needs an owner
Department	Accounts Payable
Effective date	Not set in source
Scope	Enabling ACH on an existing vendor record in Sage Intacct, selecting a bill for ACH payment, and generating the ACH file for upload to the bank. Does not cover collecting or validating the vendor's banking details, which is governed by the Bank (NACHA) file payment processing policy.
Source	`Accounts Payable Department/1. Vendor Master Data/ACH Vendor Set-up.docx`

Do not begin this procedure until the vendor's banking information has been validated by a phone call to the vendor, per the NACHA policy. Validation must be documented in the vendor master data — including the validation date, vendor contact, and responsible employee — before any banking details are entered.

Procedure

Enable ACH on the vendor record

Edit the vendor and open the Payment Information tab. In the ACH section, click Enable ACH Payments, then complete the banking fields.

Sage Intacct vendor ACH enablement fields — ACH fields on the vendor's Payment Information tab

Select the bill for payment by ACH

Run the normal pay bills process, choosing ACH as the payment method.

Sage Intacct pay bills screen with ACH payment method — Selecting ACH as the payment method during a payment run

For the full payment selection procedure — filters, credits, partial payments — see Day-to-day AP in Sage Intacct.

Generate the ACH file

Navigate to Cash Management → ACH file generation.

Sage Intacct Cash Management ACH file generation menu — ACH file generation in Cash Management

Select the payment you want to make and click Generate file.

Sage Intacct ACH file generation selection screen — Selecting payments and generating the file

Download the file and send it to the bank

After clicking Generate, Intacct opens the ACH payment file screen. If it does not, navigate to Cash Management → ACH payment file.

Click Download next to each file you want to send to the bank, and save the files.

Sage Intacct ACH payment file download screen — Downloading the generated ACH file

Confirm the payment after uploading

After uploading the file to the bank, confirm the payment in Intacct.

Sage Intacct ACH payment confirmation options — Confirming the payment to post it to the general ledger

The payment does not post to the general ledger until it is confirmed. An uploaded-but-unconfirmed ACH payment leaves the invoice open in AP and the cash unrecorded, which will surface as an unexplained variance at bank reconciliation.

Expected outcome: the payment posts to the GL, the invoice clears from AP, and the transaction is available to match on the bank reconciliation.

Bank (NACHA) file payment processing policy — mandatory validation and controls for vendor banking data
Vendor EFT onboarding letters — the client-signed letter that asks vendors to enroll
Add a new vendor in Sage Intacct — set the vendor's Type ID to ACH
Intacct bank reconciliation — ACH payments should post with the bank posting date and carry no outstanding balance at reconciliation

Procedure

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