h. The group or association is not a health insurance issuer as defined in s. 733(b)(2) of the Employee Retirement Income Security Act of 1974, 29 U.S.C. s. 1191b(b)(2), or owned or controlled by such a health insurance issuer or by a subsidiary or affiliate of such a health insurance issuer, other than to the extent such entities participate in the group or association in their capacity as employer members of the group or association. The requirements of this paragraph do not apply to an arrangement licensed before April 1, 1995, regardless of the nature of its business. However, an arrangement exempt from the requirements of this paragraph may not expand the nature of its business beyond that set forth in the articles of incorporation of its sponsoring association as of April 1, 1995, except as authorized in this paragraph.