ID H0430

Designates gold and silver coin as legal tender in Idaho under the "Idaho Constitutional Money Act of 2012," asserting state authority under the U.S. Constitution's Clause 1, Section 10, Article I and the Tenth Amendment.

Allows any person to use gold or silver coin for payment of debts, either as required by the debt's terms or through mutual agreement to modify existing debts with an addendum specifying exchange rates.

Permits debtors to satisfy debts denominated in U.S. dollars with gold or silver coins at face value, which creditors must accept if the debt does not specify a particular currency type.

Prohibits state taxation (sales, excise, gross receipts, income, capital gains, or other taxes) on transactions involving the exchange of gold or silver coin for other legal tender.

Allows civil suits against state officials who attempt to assess or collect prohibited taxes, with penalties of 100 times the amount at issue plus attorney's fees and costs, payable in gold or silver coin with no state indemnification.