2. If the person is related to Person 1 by birth, marriage, or adoption, but is not the ''husband or wife,'' ''biological son or daughter,'' ''adopted son or daughter,'' ''stepson or stepdaughter,'' ''brother or sister,'' ''father or mother,'' ''grandchild,'' ''parent-in-law,'' ''son-in-law or daughter-in-law,'' of person 1, mark the "other relative" box. Therefore, a niece or nephew of Person 1 would be categorized as "other relative."
If a person is not related to Person 1, mark the applicable box. A "roomer or boarder" is someone who occupies room(s) and makes cash or non-cash payment(s). A "housemate or roommate" is someone sharing the house/apartment (but who is not romantically involved) with Person 1. An "unmarried partner," also known as a domestic partner, is a person who shares a close personal relationship with Person 1. A "foster child" is someone under the age of 21 who is involved in the formal foster care system. For all other people who are not related to person 1, mark the "other nonrelative" box.