COVID-related testing information:

Visit our COVID-19 information page (Opens in new window) for the latest information regarding health and safety practices and any location-specific impacts.

Customer service

ICC has been split into different testing programs on our website. You will need to know the two digit exam code before you can register for your National Certification and UST/AST exam. Each testing program will require a unique username and password. View the current exams list for the National Certification and UST/AST program.

We encourage you to schedule/purchase your exam online. Get started by logging in to your web account on the ICC - National Certification and UST/AST website. If you have any trouble, contact us or see our frequently asked questions.

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Last updated 2020-05-01