Flutterby™! : California issuing currency?

Well this is interesting... California Assembly Bill 1506, latest amendment:

This bill would require a state agency to accept, from any person or entity, a registered warrant or other similar evidence of indebtedness issued by the Controller endorsed by that payee, at full face value, for the payment of any obligations owed by that payee to that state agency.

Brought to my attention by John Robb. I believe that they're currently selling at a discount, if I could find a broker on that front that I'd trust I'd buy them to, say, pay my quarterlies with...

Of course there's that pesky U.S. Constitution:

Section 10. No state shall enter into any treaty, alliance, or confederation; grant letters of marque and reprisal; coin money; emit bills of credit; make anything but gold and silver coin a tender in payment of debts; pass any bill of attainder, ex post facto law, or law impairing the obligation of contracts, or grant any title of nobility.