This is the topic: According to Article IV of the Constitution, Full Faith and Credit shall be given in each State to the public Acts, Records, and judicial Proceedings of every other State. If this is true, why are many professional licenses and certifications, e.g. nursing and medical licenses, teacher and counselor certificates, not valid across state lines?
All applicants go through a series of tests that check their level of English and knowledge of formatting styles. The applicant is also required to present a sample of writing to the Evaluation Department. If you wish to find out more about the procedure, check out the whole process.