San Francisco Administrative Code § 62.10 Recognition

(a) A domestic partnership, civil union, or similar legal relationship lawfully entered into in another jurisdiction shall be entitled to all the rights and benefits available to domestic partners registered pursuant to this Chapter. A certificate of such domestic partnership, civil union, or similar legal relationship issued by another jurisdiction shall constitute sufficient proof of entitlement to such rights and benefits.

(b) For purposes of this Chapter, "domestic partnership, civil union, or similar legal relationship" does not include a relationship between parents and children, ancestors and descendants of every degree, between brothers and sisters of the half as well as the whole blood, or between uncles or aunts and nieces or nephews, whether or not such relationship is recognized as a domestic partnership, civil union or similar legal relationship in another jurisdiction. (Added by Ord. 219-03, File No. 030483, App. 9/5/2003; amended by Ord. 78-04, File No. 040318, App. 5/6/2004)