******This site will be taken offline on Tuesday morning, 4/4/2023, for about an hour starting at 2AM ET ending around 3 AM ET to perform maintenance. The site will be online and offline several times during this period and any work will not be saved should you access the site during this time.

Please be sure to close all pop-ups and sign out after completing your work on Monday. Not closing the pop-ups and signing out may cause your progress not to be recorded accurately. Refer to the featured news item on how to interact with online courses to learn how to close the pop-ups and sign out. You can sign back in after 6 AM ET on Tuesday to continue learning. 

When using the “Is my browser supported?” feature, under the register now button at the left, "Adobe Flash Player plug-in not installed/enabled" will show as not supported due to Adobe Flash no longer being supported world wide.

Using a mobile device: When taking our online courses using a mobile device, please be aware that message and data rates may apply. Contact your mobile provider for more information.

For help registering for a classroom seminar or reschedule a registration:

For help with your Inspector Certification contact:

To order a code publication: click here.

Forgot your username? Contact us at or call (708) 995-3000. Please allow 24 hours for us to process your request.

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