accounts of a futures commission merchant, clearing member or foreign brokermeans all open contracts and transactions in futures and options on the records of the futures commission merchant, clearing member or foreign broker;
beneficial interestmeans having or sharing in any rights, obligations or financial interest in any futures or options account;
customermeans any futures commission merchant, clearing member, introducing broker, foreign broker, or trader for whom a futures commission merchant, clearing member or reporting market that is a registered entity under section 1a(29) of the Act makes or causes to be made a futures or options contract.