NASCLA

https://www.nascla.org/page/FAQs

Is the NASCLA Accredited Examination Program considered a “National License”?

No, the NASCLA Accredited Examination eliminates the trade examination ONLY for the participating state agencies. Once you have passed an examination withing the NASCLA Accredited Examination Program, contractors will still have to meet additional state licensure requirements within each participating state to obtain their license.

"Building code questions must be referenced to the two most recently published versions of the International Building Code."