The U.S. Federal Reserve is weeks away from proposing guidelines on banker compensation to curb excessive short-term risk-taking that could imperil the safety of an institution, a Fed source said on Friday.

The source, speaking on condition of anonymity, said the guidelines would apply to all firms regulated by the Fed and would be enforceable under its existing supervisory powers.

(Reporting by Alister Bull; Editing by James Dalgleish)