Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 112, § 91A

(a) For the purposes of this section, “preceptor chiropractor” shall mean a registered chiropractor authorized to practice chiropractic in the commonwealth who is: (i) designated by an approved chiropractic school or college as an instructor; and (ii) the chiropractor of record at the chiropractic facility to which a student extern is assigned.

(b) An individual that is a current student enrolled in the final academic year at a chiropractic school or college approved by the board may practice the full scope of chiropractic under the direct supervision of a preceptor chiropractor; provided, that the student extern shall have: (i) completed all academic and clinical class requirements for the degree of doctor of chiropractic from a chiropractic school or college approved by the board; and (ii) passed at least 3 of the 4 levels of the examinations administered by the National Board of Chiropractic Examiners.

(c) The student extern shall practice under the direct supervision and license of the preceptor chiropractor and shall not be authorized to sign legal documents generally signed by the preceptor chiropractor; provided, however, that the board, in its discretion, may authorize a student extern to practice chiropractic pursuant to this section at more than 1 chiropractic facility. An individual may be authorized by the board to practice chiropractic as a student extern for not less than 4 weeks and not more than 16 weeks during the student's final academic year.