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The Accounts Payable Division within the Office of the State Comptroller is pleased to offer Direct Deposit (ACH) for payment of invoices.

Vendors participating in Direct Deposit (ACH) will also be enrolled in Vendor Self-Serve (VSS), which allows vendors to check on outstanding invoices, confirm payment information, review address information, or reconcile accounts receivable.

Through electronic banking, funds will be automatically transferred to your financial institution the evening you see them as PAID in VSS. This allows you to utilize those funds on the very next business day after the payment is processed through our office.

Enrolling in Direct Deposit (ACH) is easy. Just click on the appropriate button below to download the instructions and the enrollment form. Once enrolled, electronic payments will be securely deposited into your designated bank account as specified by you on the enrollment form.


  • Faster, more secure payments
  • Eliminates mailing delays
  • Prevents fraudulent cashing of checks
  • Eliminates lost checks
  • Streamlines A/R process
  • Eliminates postage expense and other related costs to the State


  • Get updates of pending payments
  • Track missing/delayed invoices to process payments faster
  • Information is accessible outside normal business hours
  • Information is available online which reduces the need to contact State agencies
  • View outstanding invoices
  • Assists in A/R reconciliation
Enrollment Forms
Enrollment Form for Individuals
Enrollment Form for Companies
Enrollment Form for Towns

E-mail: osc.apd@ct.gov
When contacting the help desk via email regarding Vendor Self-Serve,
please include "VSS" in the subject line

Telephone: (860) 702-3400

Hours of Help Desk Availability: Mon-Fri: 8am - 4pm
Hours of Vendor Self-Serve Access: Mon-Fri: 6am - 7pm | Sat: 6am - 4pm

Return to Vendor Resources

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