About Menu

For Vendors

Office of the Chief Financial Officer
Accouting Operations Office

(202) 707-5225
accountspayable@loc.gov

Submitting Invoices for Payment

Invoices must be sent electronically. They should be attached to an e-mail message addressed to accountspayable@loc.gov. The following formats are accepted: Word, WordPerfect, Excel, PDF (Adobe), and HTML. Please do not mail or fax additional copies of invoices which have been sent electronically.

Invoice Questions

If you have questions or concerns about payment information, please contact the Accounting Operations Office at 202-707-5225, or e-mail to accountspayable@loc.gov.

Receive Status of Invoices and Other Transactions

Vendors will receive a weekly Status of Invoice and Other Transactions via e-mail.

If the Library does not have your e-mail address, please send the following information via e-mail to accountspayable@loc.gov. Your request should include the following information:

  • Vendor Name
  • Vendor Code (Taxpayer ID Number or Social Security Number)
  • Complete Address
  • Company Point of Contact Name, Phone Number
  • Email Address
  • Current Purchase Order, Delivery Order or Contract Number

Change Vendor Information

To change your address or banking information with the Library of Congress, please click on the link below and print the form. The completed form should be faxed to (202) 707-4261, or e-mailed to accountspayable@loc.gov.

Financial Information Request Form (PDF, 270KB)

Contracts and Logistics Vendor Forms

Form SF-129, "Solicitation Mailing List Application" (PDF, 67KB)
Vendor Survey Form, Electronic Funds Transfer (PDF, 100KB)

More Information

For brief descriptions of current purchasing opportunities over $25,000, consult the Commerce Business Daily.

For copies of solicitations for current purchasing opportunities over $100,000, visit FEDBIZ.

Mail all bids, proposals or quotes to:

Library of Congress
Office of Contracts
101 Independence Avenue, SE
Washington, D.C. 20540-9411

Mail Solicitation Mailing List Applications and business prospectus to:

Library of Congress
Office of Contracts
101 Independence Avenue, SE
Washington, D.C. 20540-9411

To visit us, our address is:

Library of Congress
Office of Contracts
John Adams Bldg, Room 325
2nd St., S.E. (between Independence Ave. and East Capitol Street)
Washington, D.C. 20540-9411

To contact us:

E-Mail: locacquisitions@loc.gov

Our hours are 7:30 a.m. to 4:00 p.m., Monday through Friday (except holidays). We have no specific interview hours; however, it is suggested that appointments be made in advance.