(a) Except as otherwise specifically provided, this subchapter applies to:(1) all Medicare supplement policies as defined in Insurance Code §1652.002 and §3.3303 of this title (relating to Definitions) delivered or issued for delivery in this state on or after the effective date of this subchapter; and(2) all certificates issued under group Medicare supplement policies, for which certificates have been delivered or issued for delivery in this state regardless of the place where the policy was delivered or issued for delivery. In this subchapter, the required minimum standards for Medicare supplement insurance, which make specific reference to a policy or policies, are equally applicable to a group certificate or certificates.(b) Policies and certificates delivered or issued for delivery before June 1, 2010, are subject to the laws and rules as they existed at the time the policy was delivered or issued for delivery and those sections or portions of sections are continued in effect for that purpose.