From the NCEES Model Law dated August 2007:
Licensure by Examination ([SIZE=14pt]Effective January 1, 2015[/SIZE]) – The following individuals shall be admitted to an 8-hour written examination in the principles and practice of engineering:
(1) An engineer intern with a bachelor’s degree, with an additional 30 credits of acceptable upper-level undergraduate or graduate-level coursework from approved course providers, and with a specific record of 4 years or more of progressive experience on engineering projects of a grade and a character which indicate to the board that the applicant may be competent to practice engineering.
(2) An engineer intern with a master’s degree in engineering from an institution that offers EAC/ABET-accredited programs, or the equivalent, and with a specific record of 3 years or more of progressive experience on engineering projects of a grade and a character which indicate to the board that the applicant may be competent to practice engineering.
(3) An engineer intern with a doctorate in engineering acceptable to the board and with a specific record of 2 years or more of progressive experience on engineering projects of a grade and a character which indicate to the board that the applicant may be competent to practice engineering.
(4) An individual with a doctorate in engineering acceptable to the board and with a specific record of 4 years or more of progressive experience on engineering projects of a grade and a character which indicate to the board that the applicant may be competent to practice engineering.