Professional fees.

(3) Professional fees. Earned income includes all fees received by an individual engaged in a professional occupation (such as doctor or lawyer) in the performance of professional activities. Professional fees constitute earned income even though the individual employs assistants to perform part or all of the services, provided the patients or clients are those of the individual and look to the individual as the person responsible for the services rendered.

Source

26 CFR § 1.911-3


Scoping language

None
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