Returns of information of brokers and barter exchanges., 26 CFR 1.6045-1
Summary
Definitions. The following definitions apply for purposes of this section and §§ 1.6045-2 and 1.6045-4.
Broker. The term broker means any person (other than a person who is required to report a transaction under section 6043 of the Code), U.S. or foreign, that, in the ordinary course of a trade or business during the calendar year, stands ready to effect sales to be made by others. A broker includes an obligor that regularly issues and retires its own debt obligations, a corporation that regularly redeems its own stock, or a person that regularly offers to redeem digital assets that were created or issued by that person. A broker also includes a real estate reporting person under § 1.6045-4(e) who (without regard to any exceptions provided by § 1.6045-4(c) and (d)) would be required to make an information return with respect to a real estate transaction under § 1.6045-4(a). However, with respect to a sale (including a redemption or retirement) effected at an office outside the ...