International Payments
Direct Deposit
Electronic Invoicing
Invoicing Requirements
Commonly Used Forms


Q. Who should I contact if I have a question regarding an invoice?

A. For all invoice inquiries, contact the Help Desk at 1-877-927-8278. When inquiring, please provide the vendor name, invoice number, and/or purchase order number available. This information will assist the Help Desk in researching your inquiry.

Q. Who do I contact for questions regarding 1099's?

A. Vendors may opt to e-mail the Booz Allen Help Desk with 1099 questions (, or call the Help Desk at 1-877-927-8278.

Q. How do I advise Booz Allen regarding a change in vendor name, address, or incorporation status?

A. Complete and return a Form W-9 to Include your Vendor Name, Vendor ID number or PO number in your email when you return the W-W9 form.

Q. Who should I contact to receive a user name and password for the Ariba Einvoicing Portal?

A. Contact the Booz Allen Help Desk at 1-877-927-8278 to request a user name and password. You will need the following information before you call:

  • Vendor Name, Vendor Number, PO Number, contact name, phone number, & email address for invoice submissions.