Arizona

 "To preserve and protect marriage in this State, only a union between one man and one woman shall be valid or recognized as a marriage by this State or its political subdivisions and no legal status for unmarried persons shall be created or recognized by this State or its political subdivisions that is similar to that of marriage."

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Colorado

 "Only a union of one man and one woman shall be valid or recognized as a marriage in this State."

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Idaho

 "Marriage between a man and a woman is the only domestic legal union that shall be valid and recognized in this state."

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South Carolina

 "A marriage between one man and one woman is the only lawful domestic union that shall be valid or recognized in this State. This State and its political subdivisions shall not create a legal status, right, or claim respecting any other domestic union, however denominated. This State and its political subdivisions shall not recognize or give effect to a legal status, right, or claim created by another jurisdiction respecting any other domestic union, however denominated. Nothing in this section shall impair any right or benefit extended by the State or its political subdivisions other than a right or benefit arising from a domestic union that is not valid or recognized in this State. This section shall not prohibit or limit parties, other than the State or its political subdivisions, from entering into contracts or other legal instruments."

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South Dakota

 "Only marriage between a man and a woman shall be valid or recognized in South Dakota. The uniting of two or more persons in a civil union, domestic partnership, or other quasi-marital relationship shall not be valid or recognized in South Dakota."

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Tennessee

 "The historical institution and legal contract solemnizing the relationship of one man and one woman shall be the only legally recognized marital contract in this state. Any policy or law or judicial interpretation, purporting to define marriage as anything other than the historical institution and legal contract between one man and one woman is contrary to the public policy of this state and shall be void and unenforceable in Tennessee. If another sate or foreign jurisdiction issues a license for person to marry and if such marriage is prohibited in this state by the provisions of this section, then the marriage shall be void and unenforceable in this state."

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Virginia

 "That only a union between one man and one woman may be a marriage valid in or recognized by the Commonwealth and its political subdivisions. This Commonwealth and its political subdivisions shall not create or recognize a legal status for relationships or unmarried individuals that intends to approximate the design, qualities, significance, or effects of marriage. Nor shall this Commonwealth or its political subdivisions create or recognize another union, partnership, or other legal status to which is assigned the rights, benefits, obligations, qualities, or effects of marriage."

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Wisconsin

 "Only a marriage between a man and a woman shall be valid or recognized as a marriage in this state. A legal status identical or substantially similar to that of marriage for unmarried individuals shall not be valid or recognized in this state."

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