Civil unions. State law in Hawaii gives couples in a civil union the same rights, benefits, and legal responsibilities as married couples (HI Rev. Stat. Sec. 572B-1 et seq.). A "civil union" under the act is defined as the union between two individuals under the law.
To be eligible to enter into a civil union, individuals must:
• Not be a partner in another civil union, a spouse in a marriage, or a party to a reciprocal beneficiary relationship;
• Be at least 18 years of age; and
• Not be related to each other as parent and child, grandparent and grandchild, siblings, aunt or uncle and nephew or niece, or ...