Except as provided in § 30.5 of this part, it shall be unlawful for any person, with respect to a foreign futures or foreign options customer:
And, provided further, That the furnishing of such services by the foregoing persons is solely incidental to the conduct of their business or profession. Registration as a commodity trading advisor shall not be required if such person is registered with the Commission as a futures commission merchant, introducing broker, commodity pool operator or associated person, or is otherwise exempt from registration pursuant to § 30.5 .
17 C.F.R. §30.4