"He decided to attempt a career as a lawyer, but rather than going to law school, Lincoln was self-taught. He rigorously studied by reading a large selection of previous legal cases and law books, and in 1836, at the young age of 25, he obtained his law license."

https://online.law.tulane.edu/articles/abraham-lincoln-american-politician-and-lawyer#:~:text=He%20decided%20to%20attempt%20a,he%20obtained%20his%20law%20license.

In my opinion there must be fully accredited national exam boards for majors without lab requirement in every country !?

Just exam fees, self study textbooks, youtube, internet etc !?