Welcome to the National Automobile Club Portal!


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Service Providers can login and have access to the following:


  • On Line Invoice Processing
  • Access to payment history
  • Access to service activity

General Information



Vendor Portal (online at portal.thenac.com)

The National Automobile Club issues payments twice a month only to those who submit invoices using our vendor portal. Checks will be mailed the Wednesday following the close dates. It’s easy to sign-up for NAC Vendor Portal. Contact us at JoinUs@thenac.com to get sign-up as our preferred Service Provider.



  1. Go to the NAC vendor portal site at https://portal.thenac.com

  2. Click on the ‘SIGN-UP’ button

  3. Fill out the application form, provide insurance certificate and a W9. You must use a valid email address as your User Name.

  4. Click “JOIN OUR NETWORK TODAY!”. You will receive an email after your account has been approved.

  5. Once approved, “Login” at https://portal.thenac.com

  6. Questions? Email us at JoinUs@thenac.com


​Below are the cut-off dates for invoice submission:



2020 Payment Dates


Q1 2021

Q2 2021

January 13, 2021

April 14, 2021

January 27, 2021

April 28, 2021

February 10, 2021

May 12, 2021

February 24, 2021

May 26, 2021

March 10, 2021

June 9, 2021

March 24, 2021

June 23, 2021


Q3 2021

Q4 2021

July 14, 2021

October 13, 2021

July 28, 2021

October 27, 2021

August 11, 2021

November 10, 2021

August 25, 2021

November 24, 2021

September 15, 2021

December 15, 2021

September 29, 2021

December 29, 2021



​For faster payments we encourage all vendors to submit invoices from NAC Portal. All emailed, mailed, or faxed invoices will be paid on a monthly basis. The payment close dates for mailed or faxed invoices is the last Wednesday of every month. Checks will be mailed the Wednesday following the close dates.

​Invoices received after the corresponding close dates will be processed in the following pay period. Prompt billing provides for prompt payment. Please remember that invoices received after 30 days from service date will not be honored for payment.


​You can reach a Service Provider Manager at JoinUs@thenac.com or Accounting@thenac.com

Mailing Address: NAC Road Service, Attn: Accounts Payable, 111 Anza Blvd, Suite 109, Burlingame, CA 94010

Phone number: (650) 294-7000

Fax Number: (650) 294-7027

Contact Us

» Login to your account


In order to get started ...

» Register for your company's Administrator Account  

  • This will create an Administrator account for your company.
  • Once you have created your Administrator Account, you will be able to create individual accounts for your employees.