On June 18, the Federal Reserve and FDIC circulated a letter to banks that proposes to harmonize US regulatory capital rules with Basel III.
BASEL III is an accord that tells a bank how much capital it must hold to safeguard its solvency and overall economic stability.
Here's the important bit:
At the top of the proposed changes is the new list of "zero-percent risk weighted items," which now includes "gold bullion," right after "cash."
the eventual return of gold as money - http://iperpetualtraveler.com