Rule 6.6.503 - APPLICABILITY AND SCOPE(1) Except as otherwise specifically provided in ARM 6.6.507, 6.6.507C, 6.6.508, 6.6.509, 6.6.515 and 6.6.521, this subchapter shall apply to: (a) all medicare supplement policies delivered or issued for delivery in this state on or after February 1, 1982, the effective date of this subchapter; and(b) all certificates which have been delivered or issued for delivery in this state and issued under group Medicare supplement policies.(2) This subchapter does not apply to a policy or contract of one or more employers or labor organizations, or of the trustees of a fund established by one or more employers or labor organizations, or combination, for employees or former employees, or a combination, or for members or former members, or a combination, of the labor organizations.NEW, 1981 MAR p. 1474, Eff. 2/1/82; AMD, 1993 MAR p. 1487, Eff. 7/16/93; AMD, 1996 MAR p. 1637, Eff. 6/21/96; AMD, 1998 MAR p. 3269, Eff. 12/18/98; AMD, 2004 MAR p. 313, Eff. 2/13/04; AMD, 2018 MAR p. 572, Eff.3/17/2018; AMD,2018 MAR p. 969, Eff.5/12/2018AUTH: 33-1-313, 33-22-904, MCA; IMP: 33-22-904, MCA