This account works for both Food Chemical Codex and USP-NF Online.
Follow the above link to the login page. Under the login boxes, click on Create a New USP Access Point account
Fill in the account information, using your ONU email address. Take note of the Password Guide for instructions on password strength requirements.
Be sure to select the correct Role type before completing the reCAPTCHA and agreeing to the privacy policy.
You will receive an email with a link to finish activating your account.
When you get to the screen above, click Continue. After you've logged in, select the FCC icon to access Food Chemicals Codex.