The new CFTC requirement will affect managers that trade more than a deminimus amount of commodities, including certain futures, options and swaps.

FORBES: CFTC Registration Adds Additional Regulatory Layer for Hedge Funds

The complaints have gotten a sympathetic ear on Capitol Hill, where lawmakers have just gotten a proposal by the Treasury Department for a sweeping overhaul of financial market regulation, including the merger of the SEC with the Commodities Futures Trading Commission and the reassignment of many of the SEC's enforcement duties to the stock exchanges and other self-regulatory agencies.

FORBES: Get Shorty