Affiliate.
Affiliate. Anaffiliateof, or personaffiliatedwith, a specified person shall mean a person that directly, or indirectly through one or more intermediaries, controls or is controlled by, or is under common control with, the person specified.
Source
17 CFR § 230.501
Scoping language
As used in Regulation D ( 230.500 et seq. of this chapter), the following terms shall have the meaning indicated: