(a) As used in this section:
(1) “Marriage” has the same meaning as in 15 V.S.A. § 8.
(2) “Party to a civil union” has the same meaning as in 15 V.S.A. § 1201.
(b) To the extent permitted under federal law, health insurance coverage provided to Vermont residents who work for an employer domiciled outside Vermont shall not distinguish between parties to a civil union, married same-sex couples, and married opposite-sex couples.