To be entitled to wife’s insurance benefits under the Act, a claimant must show, among
                  other things: (1) that she is the legal or deemed spouse of the NH under the laws
                  of the State of the NH’s domicile at the time the claimant files an application (or
                  during the life of the application); or (2) that she has the same rights as a wife
                  to share in the distribution of the NH’s intestate personal property under the laws
                  of the State of the NH’s domicile at the time of filing. POMS RS 00202.001.A.1; 42 U.S.C. § 402(b); 42 U.S.C. § 416(b); 20 C.F.R. § 404.330(a).
               
               As pertinent here, in determining the claimant’s relationship as the insured’s spouse,
                  the agency looks to the law of the State where the insured had a permanent home at
                  the time the claimant applied for benefits. See 42 U.S.C. § 416(h)(1)(A)(i). If the insured is not domiciled in any State, the agency
                  applies the law of the District of Columbia. See 42 U.S.C. § 416(h)(1)(A)(i); 20 C.F.R. § 404.345; POMS GN 00210.006.B. If the claimant cannot show that she is married to the NH, the agency will deem
                  the claimant to be the NH’s spouse if the state of the NH’s domicile would allow the
                  claimant to inherit a spouse’s share of the NH’s personal property should the NH die
                  without leaving a will. POMS GN 00210.004.A.
               
               In this cased the NH is domiciled in Denmark. Therefore, the claimant’s status will
                  be evaluated under the laws of the District of Columbia. Thus, the agency will find
                  the claimant is the wife of the NH if the courts of the District of Columbia would
                  find that the claimant was validly married to the insured at the time she filed an
                  application. 42 U.S.C. §§ 416(c)(1); 416(h)(1)(A)(i); 20 C.F.R. § 404.345.[2] If claimant is not found to be married to NH, we will examine if the claimant can
                  inherit a spouse’s share of the NH’s personal property should the NH die without leaving
                  a will under the law of the District of Columbia. POMS GN 00210.004.A; POMS RS 00202.001.A.1; 42 U.S.C. § 402(b); 42 U.S.C. § 416(b); 20 C.F.R. § 404.330(a).
               
               The claimant and the NH are not legally married under Danish
                     Law.
               Under the law of the District of Columbia, the validity of the marriage is determined
                  by the law of the jurisdiction where the marriage was entered into. See Bansda v. Wheeler,995 A.2d 189, 198 (D.C. Cir. 2010); McConnell v. McConnell, 99 F. Supp. 493, 494 (D.D.C. 1951); Carr v. Varr, 82 F. Supp. 398 (D.D.C. 1949); Gerardi v.
                     Gerardi, 69 F. Supp. 296 (D.D.C. 1946).
               
               Here, the claimant alleges that she and the NH were married in Denmark on September
                  XX, 2011. See Application. Although in her application she alleged that she was “married” to the
                  NH, she provided a Certificate of Partnership, indicating that a registered domestic
                  partnership was contracted on that date. See Certificate. Thus, although the claimant alleged that she was “married,” she has
                  provided evidence of a non-marital legal relationship, rather than a legal marriage
                  in Denmark.
               
               The claimant has the same rights as a spouse of the NH under intestacy
                     law.
               Since the claimant was not legally married to the NH, we next must examine whether
                  she has the same rights as a wife to share in the distribution of the NH’s intestate
                  personal property under the laws of the State of the NH’s domicile at the time of
                  filing. POMS RS 00202.001.A.1; 42 U.S.C. § 402(b); 42 U.S.C. § 416(b); 20 C.F.R. § 404.330(a). Under District
                  of Columbia law, the law of the decedent’s domicile determines intestate inheritance
                  rights. Javier v. Comm’r of Soc.
                     Sec., 407 F.3d 1244, 1247 (D.D.C. 2005) (citing In re Gray’s Estate, 168 F. Supp. 124 (D.D.C. 1958)). In this case, the NH was domiciled in Denmark at
                  the time of filing.
               
               In 1989, Denmark passed the “Act on Registered Domestic Partnerships” which permitted
                  registration of same-sex partnerships. See Law Library of Congress Letter. Persons who entered into domestic partnerships were
                  provided a Certificate of Partnership. Id. Other than laws governing adoption, the law governing domestic partnership provides
                  that the union is legally equivalent to a marriage. Id.
               
               The Act was repealed when the Marriage Act became gender neutral in 2012. See Law Library of Congress Letter. The 2012 amendment to the Marriage Act made the Act
                  applicable to marriage “between two persons of opposite sex and between two persons of the same sex.” Id. (emphasis added). Further, the Act stated that persons who had previously entered
                  into a same-sex registered domestic partnership could transform their partnership
                  into a marriage, and receive a marriage certificate. Id. However, partnerships that were not transformed into a marriage continue to be valid.
                  Id.
               
               The claimant provided a Certificate of Partnership indicating that she and the NH
                  registered a domestic partnership in September 2011, before the Domestic Partnership
                  Act was repealed and the Marriage Act became gender neutral in 2012. See Certificate. Under the Marriage Act, the claimant and the NH could have transformed
                  their partnership into a marriage, but they were not required to do so. Their domestic
                  partnership remains valid and is considered legally equivalent to a marriage under
                  Danish law.
               
               Thus, under the Danish Marriage Act, a domestic partnership is considered legally
                  equivalent to a marriage. Further, under the Inheritance Act, domestic partners inherit
                  from each other on the same terms as a married couple. Id.[3]
               Accordingly, we believe the courts of the District of Columbia would find that under
                  Danish law, the claimant has the same status as a spouse of the NH for purposes of
                  intestate inheritance because they had a valid NMLR as of September 2011.