Welcome to the National Automobile Club Portal!



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 2020

Q2 2020

January 15, 2020

April 15, 2020

January 29, 2020

April 29, 2019

February 12, 2020

May 13, 2019

February 26, 2020

May 27, 2019

March 11, 2020

June 10, 2019

March 25, 2020

June 24, 2019


Q3 2020

Q4 2020

July 15, 2020

October 14,2020

July 29, 2020

October 28, 2020

August 12, 2020

November 11, 2020

August 26, 2020

November 25, 2020

September 16, 2020

December 16, 2020

September 30, 2020

December 30, 2020



​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.