Minnesota members of the Midwestern Higher Education Commission must be appointed as provided in this section. One legislative member must be a member of the house of representatives appointed by the speaker of the house for a two-year term; one legislative member must be a member of the senate appointed by the Subcommittee on Committees of the Rules and Administration Committee for a two-year term. Two at-large members, at least one of whom must be selected from the field of higher education, must be appointed by the governor. One at-large member must be appointed to a two-year term; one at-large member, and any regularly appointed successor to either at-large position, must be appointed to a four-year term. Vacancies must be filled by the appointing authority for the remainder of the unexpired term.