Small Business, Family Farms, and Constitutional Protection Act - Prohibits the use of Federal funds to propose or issue rules, regulations, decrees, or orders or for programs to implement the Kyoto Protocol to the United Nations Framework Convention on Climate Change before the date on which the Senate gives its advice and consent to Protocol ratification.

Provides that no Federal agency has authority to promulgate regulations to limit carbon dioxide emissions unless a law is enacted after this Act's enactment that specifically grants such authority.

Prohibits the use of Federal funds to advocate, develop, or implement a program providing regulatory credits for early voluntary greenhouse gas emission reductions before the date on which the Senate gives its advice and consent to Protocol ratification.