(a) Applicants must take and pass examinations in accordance with §§155.051, 155.0511, and 155.054 of the Act.(b) Required Examinations:(1) United States Medical Licensing Examination (USMLE), or its successor, with a score of 75 or better, or a passing grade if applicable, on each step;(2) COMLEX-USA, or its successor, with a score of 75 or better, or a passing grade if applicable, on each step;(3) Federation Licensing Examination (FLEX), on or after July 1, 1985, passage of both components with a score of 75 or better on each component;(4) Federation Licensing Examination (FLEX), before July 1, 1985, with a FLEX weighted average of 75 or better in one sitting;(5) National Board of Medical Examiners Examination (NBME) or its successor;(6) National Board of Osteopathic Medical Examiners Examination (NBOME) or its successor;(7) Medical Council of Canada Examination (LMCC) or its successor; or(8) state board licensing examination.(c) The following examination combinations are acceptable with a score of 75 or better on each part, level, component, or step:(1) FLEX I plus USMLE 3;(2) USMLE 1 and USMLE 2, plus FLEX II;(3) NBME I or USMLE 1, plus NBME II or USMLE 2, plus NBME III or USMLE 3;(4) NBME I or USMLE 1, plus NBME II or USMLE 2, plus FLEX II;(5) The NBOME Part I or COMLEX Level I, plus NBOME Part II or COMLEX Level II, plus NBOME Part III or COMLEX Level III; or(6) other examination combination acceptable to the board.(d) Examination Attempt Limits and Time Limits. Each part of an examination must be passed in accordance with §§155.051 and 155.056 of the Act, unless the applicant meets an exception described in §155.0561 of the Act.(e) An applicant must pass each part of an examination or examination combination listed in subsections (b) and (c) of this section within three attempts.