(1) Engineering experience for the purpose of application for licensure or certification shall be classified as:

(a) subprofessional experience;

(b) preprofessional experience; or

(c) professional experience.

(2) Engineering experience shall be quantified as follows:

(a) Subprofessional experience shall be credited at one-half the time value of preprofessional experience.

(b) No more than one year of subprofessional experience may be credited as preprofessional experience.

(c) A master's degree in engineering from an institution which offers a board-approved curriculum at the baccalaureate level will be credited as one year of preprofessional experience.

(d) A Ph.D. in engineering from an institution which offers a board-approved curriculum at the baccalaureate level will be credited as two years of preprofessional experience, which shall include a one year credit for any master's degree earned in the course of completing the Ph.D.