Alternative/"Reciprocal" Arrangements?

Well, Da Godfoddah asks, we must respond, right?

Apparently the State of Colorado is considering legislation which would allow people in a "civil union" to allow hospital visitations, estate-transfer privileges, and employee benefits/insurances to be applied for the benefit of the people in the "civil union."

The question: would the Second Sentence of The Amendment restrict such arrangements?

There's no language in front of me on the matter. And I am not encumbered with a Law degree. Read at your own risk.

Let's start from the top. As mentioned earlier, a Constitution and its supplementing positive law should affirm Natural Law, or at least should not derogate from that law. Thus my opposition to a positive-law-created "marriage" between persons of the same sex--and my support for a Constitutional amendment which makes such "marriage" impossible.

The Second Sentence of the proposed Wisconsin amendment does two things: first, it prevents other States from imposing their fictitious 'same-sex marriages' on Wisconsin under the Full Faith and Credit clause; secondly, it relieves Wisconsin subsidiary governments from being forced to provide "family benefits" insurances to unmarried "partners," whether a "civil union" or otherwise.

However, the Second Sentence does NOT prevent such arrangements from being made under contractual agreement. Thus, if a Wisconsin legislature and Governor were to enact positive law stating that privately-contracted arrangements for health insurance, survivor benefits, property-transfer, visitation rights, durable Power of Attorney (etc., etc.) were permissible OUTSIDE of marriage properly understood, it's no big deal.

Note that this hypothetical legislation does not re-define marriage; thus, tax and adoption issues are "off the table."