"Availability of seats", vacancies that exist in a course after the enrollment of all tuition-paying students and all students who are enrolled under any scholarship or tuition waiver provisions.
"Dependents", immediate family members of a member who are enrolled in the Defense Enrollment Eligibility Reporting System in connection with the member.
"Member", a Massachusetts army or air national guard member eligible pursuant to subsection (d).
Mass. Gen. Laws ch. 33, § 137A