For the purposes of this subchapter—

((a)) ** Net earnings from self-employment** The term “net earnings from self-employment” means the gross income, as computed under subtitle A of the Internal Revenue Code of 1986, derived by an individual from any trade or business carried on by such individual, less the deductions allowed under such subtitle which are attributable to such trade or business, plus his distributive share (whether or not distributed) of the ordinary net income or loss, as computed under section 702(a)(8) of such Code, 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 net income or loss—

((1)) There shall be excluded rentals from real estate and from personal property leased with the real estate (including such rentals paid in crop shares, and including payments under   to individuals receiving benefits under section 402 or 423 of this title), together with the deductions attributable thereto, unless such rentals are received in the course of a trade or business as a real estate dealer; except that the preceding provisions of this paragraph shall not apply to any income derived by the owner or tenant of land if (A) such income is derived under an arrangement, between the owner or tenant and another individual, which provides that such other individual shall produce agricultural or horticultural commodities (including livestock, bees, poultry, and fur-bearing animals and wildlife) on such land, and that there shall be material participation by the owner or tenant (as determined without regard to any activities of an agent of such owner or tenant) in the production or the management of the production of such agricultural or horticultural commodities, and (B) there is material participation by the owner or tenant (as determined without regard to any activities of an agent of such owner or tenant) with respect to any such agricultural or horticultural commodity;

((2)) There shall be excluded dividends on any share of stock, and interest on any bond, debenture, note, or certificate, or other evidence of indebtedness, issued with interest benefits  or in registered form by any corporation (including one issued by a government or political subdivision thereof), unless such dividends and interest are received in the course of a trade or business as a dealer in stocks or securities;

((3)) There shall be excluded any gain or loss (A) which is considered under subtitle A of the Internal Revenue Code of 1986 as gain or loss from the sale or exchange of a capital asset, (B) from the cutting of timber, or the disposal of timber, coal, or iron ore, if section 631 of the Internal Revenue Code of 1986 applies to such gain or loss, or (C) from the sale, exchange, involuntary conversion, or other disposition of property if such property is neither (i) stock in trade or other property of a kind which would properly be includible in inventory if on hand at the close of the taxable year, nor (ii) property held primarily for sale to customers in the ordinary course of the trade or business;

((4)) The deduction for net operating losses provided in section 172 of the Internal Revenue Code of 1986 shall not be allowed;

((5))

((A)) If any of the income derived from a trade or business (other than a trade or business carried on by a partnership) is community income under community property laws applicable to such income, the gross income and deductions attributable to such trade or business shall be treated as the gross income and deductions of the spouse carrying on such trade or business or, if such trade or business is jointly operated, treated as the gross income and deductions of each spouse on the basis of their respective distributive share of the gross income and deductions;

((B)) If any portion of a partner’s distributive share of the ordinary net income or loss from a trade or business carried on by a partnership is community income or loss under the community property laws applicable to such share, all of such distributive share shall be included in computing the net earnings from self-employment of such partner, and no part of such share shall be taken into account in computing the net earnings from self-employment of the spouse of such partner;

((6)) A resident of the Commonwealth of Puerto Rico shall compute his net earnings from self-employment in the same manner as a citizen of the United States but without regard to the provisions of section 933 of the Internal Revenue Code of 1986;

((7)) An individual who is a duly ordained, commissioned, or licensed minister of a church or a member of a religious order shall compute his net earnings from self-employment derived from the performance of service described in subsection (c)(4) without regard to section 107 (relating to rental value of parsonages), section 119 (relating to meals and lodging furnished for the convenience of the employer), and section 911 (relating to earned income from sources without the United States) of the Internal Revenue Code of 1986, but shall not include in any such net earnings from self-employment the rental value of any parsonage or any parsonage allowance (whether or not excluded under section 107 of the Internal Revenue Code of 1986) provided after the individual retires, or any other retirement benefit received by such individual from a church plan (as defined in section 414(e) of such Code) after the individual retires;

((8)) The exclusion from gross income provided by section 931 of the Internal Revenue Code of 1986 shall not apply;

((9)) There shall be excluded amounts received by a partner pursuant to a written plan of the partnership, which meets such requirements as are prescribed by the Secretary of the Treasury or his delegate, and which provides for payments on account of retirement, on a periodic basis, to partners generally or to a class or classes of partners, such payments to continue at least until such partner’s death, if—

((A)) such partner rendered no services with respect to any trade or business carried on by such partnership (or its successors) during the taxable year of such partnership (or its successors), ending within or with his taxable year, in which such amounts were received, and

((B)) no obligation exists (as of the close of the partnership’s taxable year referred to in subparagraph (A)) from the other partners to such partner except with respect to retirement payments under such plan, and

((C)) such partner’s share, if any, of the capital of the partnership has been paid to him in full before the close of the partnership’s taxable year referred to in subparagraph (A);

((10)) The exclusion from gross income provided by section 911(a)(1) of the Internal Revenue Code of 1986 shall not apply;

((11)) In lieu of the deduction provided by section 164(f) of the Internal Revenue Code of 1986 (relating to deduction for one-half of self-employment taxes), there shall be allowed a deduction equal to the product of—

((A)) the taxpayer’s net earnings from self-employment for the taxable year (determined without regard to this paragraph), and

((B)) one-half of the sum of the rates imposed by subsections (a) and (b) of section 1401 of such Code for such year;

((12)) There shall be excluded the distributive share of any item of income or loss of a limited partner, as such, other than guaranteed payments described in section 707(c) of the Internal Revenue Code of 1986 to that partner for services actually rendered to or on behalf of the partnership to the extent that those payments are established to be in the nature of remuneration for those services;

((13)) In the case of church employee income, the special rules of subsection (i)(1) shall apply;

((14)) There shall be excluded income excluded from taxation under section 7873 of the Internal Revenue Code of 1986 (relating to income derived by Indians from exercise of fishing rights);

((15)) The deduction under section 162() of the Internal Revenue Code of 1986 (relating to health insurance costs of self-employed individuals) shall not be allowed; and

((16)) Notwithstanding the preceding provisions of this subsection, each spouse’s share of income or loss from a qualified joint venture shall be taken into account as provided in section 761(f) of the Internal Revenue Code of 1986 in determining net earnings from self-employment of such spouse.

((i)) in the case of an individual, if the gross income derived by him from such trade or business is not more than the upper limit, the net earnings from self-employment derived by him from such trade or business may, at his option, be deemed to be 66⅔ percent of such gross income; or

((ii)) in the case of an individual, if the gross income derived by him from such trade or business is more than the upper limit and the net earnings from self-employment derived by him from such trade or business (computed under this subsection without regard to this sentence) are less than the lower limit, the net earnings from self-employment derived by him from such trade or business may, at his option, be deemed to be the lower limit; and

((iii)) in the case of a member of a partnership, if his distributive share of the gross income of the partnership derived from such trade or business (after such gross income has been reduced by the sum of all payments to which section 707(c) of the Internal Revenue Code of 1986 applies) is not more than the upper limit, his distributive share of income described in section 702(a)(8) of such Code derived from such trade or business may, at his option, be deemed to be an amount equal to 66⅔ percent of his distributive share of such gross income (after such gross income has been so reduced); or

((iv)) in the case of a member of a partnership, if his distributive share of the gross income of the partnership derived from such trade or business (after such gross income has been reduced by the sum of all payments to which section 707(c) of the Internal Revenue Code of 1986 applies) is more than the upper limit and his distributive share (whether or not distributed) of income described in section 702(a)(8) of such Code derived from such trade or business (computed under this subsection without regard to this sentence) is less than the lower limit, his distributive share of income described in such section 702(a)(8) derived from such trade or business may, at his option, be deemed to be the lower limit.

((v)) in the case of any such trade or business in which the income is computed under a cash receipts and disbursements method, the gross receipts from such trade or business reduced by the cost or other basis of property which was purchased and sold in carrying on such trade or business, adjusted (after such reduction) in accordance with the provisions of paragraphs (1) through (6) and paragraph (8) of this subsection; and

((vi)) in the case of any such trade or business in which the income is computed under an accrual method, the gross income from such trade or business, adjusted in accordance with the provisions of paragraphs (1) through (6) and paragraph (8) of this subsection;

((b)) ** Self-employment income** The term “self-employment income” means the net earnings from self-employment derived by an individual (other than a nonresident alien individual, except as provided by an agreement under ) during any taxable year beginning after 1950; except that such term shall not include—

((1)) That part of the net earnings from self-employment which is in excess of—

((A)) For any taxable year ending prior to 1955, (i) $3,600, minus (ii) the amount of the wages paid to such individual during the taxable year; and

((B)) For any taxable year ending after 1954 and prior to 1959, (i) $4,200, minus (ii) the amount of the wages paid to such individual during the taxable year; and

((C)) For any taxable year ending after 1958 and prior to 1966, (i) $4,800, minus (ii) the amount of the wages paid to such individual during the taxable year; and

((D)) For any taxable year ending after 1965 and prior to 1968, (i) $6,600, minus (ii) the amount of the wages paid to such individual during the taxable year; and

((E)) For any taxable year ending after 1967 and beginning prior to 1972, (i) $7,800, minus (ii) the amount of the wages paid to such individual during the taxable year; and

((F)) For any taxable year beginning after 1971 and prior to 1973, (i) $9,000, minus (ii) the amount of the wages paid to such individual during the taxable year; and

((G)) For any taxable year beginning after 1972 and prior to 1974, (i) $10,800, minus (ii) the amount of the wages paid to such individual during the taxable year; and

((H)) For any taxable year beginning after 1973 and prior to 1975, (i) $13,200, minus (ii) the amount of the wages paid to such individual during the taxable year; and

((I)) For any taxable year beginning in any calendar year after 1974, (i) an amount equal to the contribution and benefit base (as determined under ) which is effective for such calendar year, minus (ii) the amount of the wages paid to such individual during such taxable year; or

((2)) The net earnings from self-employment, if such net earnings for the taxable year are less than $400.

((c)) ** Trade or business** The term “trade or business”, when used with reference to self-employment income or net earnings from self-employment, shall have the same meaning as when used in section 162 of the Internal Revenue Code of 1986, except that such term shall not include—

((1)) The performance of the functions of a public office, other than the functions of a public office of a State or a political subdivision thereof with respect to fees received in any period in which the functions are performed in a position compensated solely on a fee basis and in which such functions are not covered under an agreement entered into by such State and the Commissioner of Social Security pursuant to ;

((2)) The performance of service by an individual as an employee, other than—

((A)) service described in performed by an individual who has attained the age of eighteen,

((B)) service described in ,

((C)) service described in section 410(a) (11), (12), or (15) of this title performed in the United States by a citizen of the United States, except service which constitutes “employment” under ,

((D)) service described in paragraph (4) of this subsection,

((E)) service performed by an individual as an employee of a State or a political subdivision thereof in a position compensated solely on a fee basis with respect to fees received in any period in which such service is not covered under an agreement entered into by such State and the Commissioner of Social Security pursuant to ,

((F)) service described in , and

((G)) service described in ;

((3)) The performance of service by an individual as an employee or employee representative as defined in section 3231 of the Internal Revenue Code of 1986;

((4)) The performance of service by a duly ordained, commissioned, or licensed minister of a church in the exercise of his ministry or by a member of a religious order in the exercise of duties required by such order;

((5)) The performance of service by an individual in the exercise of his profession as a Christian Science practitioner; or

((6)) The performance of service by an individual during the period for which an exemption under section 1402(g) of the Internal Revenue Code of 1986 is effective with respect to him.

((d)) ** Partnership and partner** The term “partnership” and the term “partner” shall have the same meaning as when used in subchapter K of chapter 1 of the Internal Revenue Code of 1986.

((e)) ** Taxable year** The term “taxable year” shall have the same meaning as when used in subtitle A of the Internal Revenue Code of 1986; and the taxable year of any individual shall be a calendar year unless he has a different taxable year for the purposes of subtitle A of such Code, in which case his taxable year for the purposes of this subchapter shall be the same as his taxable year under such subtitle A.

((f)) ** Partner’s taxable year ending as result of death** In computing a partner’s net earnings from self-employment for his taxable year which ends as a result of his death (but only if such taxable year ends within, and not with, the taxable year of the partnership), there shall be included so much of the deceased partner’s distributive share of the partnership’s ordinary income or loss for the partnership taxable year as is not attributable to an interest in the partnership during any period beginning on or after the first day of the first calendar month following the month in which such partner died. For purposes of this subsection—

((1)) in determining the portion of the distributive share which is attributable to any period specified in the preceding sentence, the ordinary income or loss of the partnership shall be treated as having been realized or sustained ratably over the partnership taxable year; and

((2)) the term “deceased partner’s distributive share” includes the share of his estate or of any other person succeeding, by reason of his death, to rights with respect to his partnership interest.

((g)) ** Regular basis** An individual shall be deemed to be self-employed on a regular basis in a taxable year, or to be a member of a partnership on a regular basis in such year, if he had net earnings from self-employment, as defined in the first sentence of subsection (a), of not less than $400 in at least two of the three consecutive taxable years immediately preceding such taxable year from trades or businesses carried on by such individual or such partnership.

((h)) ** Option dealers and commodity dealers**

((1)) In determining the net earnings from self-employment of any options dealer or commodities dealer—

((A)) notwithstanding subsection (a)(3)(A), there shall not be excluded any gain or loss (in the normal course of the taxpayer’s activity of dealing in or trading section 1256 contracts) from section 1256 contracts or property related to such contracts, and

((B)) the deduction provided by section 1202 of the Internal Revenue Code of 1986 shall not apply.

((2)) For purposes of this subsection—

((A)) The term “options dealer” has the meaning given such term by section 1256(g)(8) of such Code.

((B)) The term “commodities dealer” means a person who is actively engaged in trading section 1256 contracts and is registered with a domestic board of trade which is designated as a contract market by the Commodities Futures Trading Commission.

((C)) The term “section 1256 contracts” has the meaning given to such term by section 1256(b) of such Code.

((i)) ** Church employee income**

((1)) In applying subsection (a)—

((A)) church employee income shall not be reduced by any deduction;

((B)) church employee income and deductions attributable to such income shall not be taken into account in determining the amount of other net earnings from self-employment.

((2))

((A)) Subsection (b)(2) shall be applied separately—

((i)) to church employee income, and

((ii)) to other net earnings from self-employment.

((B)) In applying subsection (b)(2) to church employee income, “$100” shall be substituted for “$400”.

((3)) Paragraph (1) shall not apply to any amount allowable as a deduction under subsection (a)(11), and paragraph (1) shall be applied before determining the amount so allowable.

((4)) For purposes of this section, the term “church employee income” means gross income for services which are described in (and are not described in ).

((j)) ** Codification of treatment of certain termination payments received by former insurance salesmen** Nothing in subsection (a) shall be construed as including in the net earnings from self-employment of an individual any amount received during the taxable year from an insurance company on account of services performed by such individual as an insurance salesman for such company if—

((1)) such amount is received after termination of such individual’s agreement to perform such services for such company,

((2)) such individual performs no services for such company after such termination and before the close of such taxable year,

((3)) such individual enters into a covenant not to compete against such company which applies to at least the 1-year period beginning on the date of such termination, and

((4)) the amount of such payment—

((A)) depends primarily on policies sold by or credited to the account of such individual during the last year of such agreement or the extent to which such policies remain in force for some period after such termination, or both, and

((B)) does not depend to any extent on length of service or overall earnings from services performed for such company (without regard to whether eligibility for payment depends on length of service).

((k)) ** Upper and lower limits** For purposes of subsection (a)—

((1)) The lower limit for any taxable year is the sum of the amounts required under for a quarter of coverage in effect with respect to each calendar quarter ending with or within such taxable year.

((2)) The upper limit for any taxable year is the amount equal to 150 percent of the lower limit for such taxable year.