To qualify, the position must be economically appropriate to reducing risk in the conduct of a commercial enterprise — a grain elevator's inventory, an airline's fuel purchases, a miner's forward output. The firm files documentation and can be asked to prove the underlying exposure.
The definition matters enormously in policy fights: broadening it lets financial firms take large positions under a commercial banner, and narrowing it can force real hedgers out of the market.
Example: an ethanol producer buying far more corn futures than the speculative limit allows can do so if it can show the matching physical grind requirement.
Related: position-limits, cftc