(1) The adoption of a child within the country is governed by German law. Otherwise, it is governed by the law of the State in which the adopter has his or her habitual residence at the time of the adoption.
(2) The consequences as to the legal relationship between the child and the adopter and the persons, to whom the child has a legal relationship within the meaning of family law, are governed by the law that is determined by paragraph 1.
(3) With respect to succession to the adopter, his spouse, life partner or relatives, the adoptee, irrespective of the law applicable according to paragraphs 1 and 2 has a position equal to the one of a child adopted under German substantive rules, if the deceased had decreed this by way of a will and if the succession is governed by German law. Sentence 1 shall apply mutatis mutandis, if the adoption is based on a foreign decision. Sentences 1 and 2 don’t apply, if the adoptee is 18 years or older at the time of the adoption.