net earnings from self-employment
The term “net earnings from self-employment” means the gross income derived by an individual from any trade or business carried on by such individual, less the deductions allowed by this subtitle which are attributable to such trade or business, plus his distributive share (whether or not distributed) of income or loss described in section 702(a)(8) from any trade or business carried on by a partnership of which he is a member; except that in computing such gross income and deductions and such distributive share of partnership ordinary income or loss—
26 USC § 1402(a)
None identified. Default scope is assumed to be the entire title.