Any person who was employed in a shared position in the Minnesota demonstration job-sharing program pursuant to Minnesota Statutes 1980, sections 43.56 to 43.62 or sections 43A.40 to 43A.46, prior to March 23, 1982 shall have service credit for that service in the applicable retirement fund recalculated in accordance with the provisions of section 43A.44, subdivision 2, clause (a).