§ 6166.
Extension of time for payment of estate tax where estate consists largely of interest in closely held business
(b)
Definitions and special rules
(1)
Interest in closely held business
For purposes of this section, the term “interest in a closely held business” means—
(A)
an interest as a proprietor in a trade or business carried on as a proprietorship;
(B)
an interest as a partner in a partnership carrying on a trade or business, if—
(i)
20 percent or more of the total capital interest in such partnership is included in determining the gross estate of the decedent, or
(ii)
such partnership had 45 or fewer partners; or
(C)
stock in a corporation carrying on a trade or business if—
(i)
20 percent or more in value of the voting stock of such corporation is included in determining the gross estate of the decedent, or
(ii)
such corporation had 45 or fewer shareholders.
(2)
Rules for applying paragraph (1)
For purposes of paragraph (1)—
(B)
Certain interests held by husband and wife
Stock or a partnership interest which—
(i)
is community property of a husband and wife (or the income from which is community income) under the applicable community property law of a State, or
(ii)
is held by a husband and wife as joint tenants, tenants by the entirety, or tenants in common,
shall be treated as owned by one shareholder or one partner, as the case may be.
(D)
Certain interests held by members of decedent’s family
(3)
Farmhouses and certain other structures taken into account
(5)
Closely held business amount
(6)
Adjusted gross estate
(7)
Partnership interests and stock which is not readily tradable
(A)
In general
If the executor elects the benefits of this paragraph (at such time and in such manner as the Secretary shall by regulations prescribe), then—
(i)
for purposes of paragraph (1)(B)(i) or (1)(C)(i) (whichever is appropriate) and for purposes of subsection (c), any capital interest in a partnership and any non-readily-tradable stock which (after the application of paragraph (2)) is treated as owned by the decedent shall be treated as included in determining the value of the decedent’s gross estate,
(ii)
the executor shall be treated as having selected under subsection (a)(3) the date prescribed by section 6151(a), and
(iii)
for purposes of applying section 6601(j), the 2-percent portion (as defined in such section) shall be treated as being zero.
(B)
Non-readily-tradable stock defined
(8)
Stock in holding company treated as business company stock in certain cases
(A)
In general
If the executor elects the benefits of this paragraph, then—
(i)
Holding company stock treated as business company stock
(ii)
5-year deferral for principal not to apply
(iii)
2-percent interest rate not to apply
(B)
All stock must be non-readily-tradable stock
(ii)
Special application where only holding company stock is non-readily-tradable stock
(C)
Application of voting stock requirement of paragraph (1)(C)(i)
(D)
Definitions
For purposes of this paragraph—
(9)
Deferral not available for passive assets
(B)
Passive asset defined
For purposes of this paragraph—
(ii)
Stock treated as passive asset
The term “passive asset” includes any stock in another corporation unless—
(I)
such stock is treated as held by the decedent by reason of an election under paragraph (8), and
(II)
such stock qualified under subsection (a)(1).
(iii)
Exception for active corporations
If—
(I)
a corporation owns 20 percent or more in value of the voting stock of another corporation, or such other corporation has 45 or fewer shareholders, and
(II)
80 percent or more of the value of the assets of each such corporation is attributable to assets used in carrying on a trade or business,
then such corporations shall be treated as 1 corporation for purposes of clause (ii). For purposes of applying subclause (II) to the corporation holding the stock of the other corporation, such stock shall not be taken into account.
(10)
Stock in qualifying lending and finance business treated as stock in an active trade or business company
(A)
In general
If the executor elects the benefits of this paragraph, then—
(ii)
5-year deferral for principal not to apply
(iii)
5 equal installments allowed
(B)
Definitions
For purposes of this paragraph—
(i)
Qualifying lending and finance business
The term “qualifying lending and finance business” means a lending and finance business, if—
(I)
based on all the facts and circumstances immediately before the date of the decedent’s death, there was substantial activity with respect to the lending and finance business, or
(II)
during at least 3 of the 5 taxable years ending before the date of the decedent’s death, such business had at least 1 full-time employee substantially all of whose services were the active management of such business, 10 full-time, nonowner employees substantially all of whose services were directly related to such business, and $5,000,000 in gross receipts from activities described in clause (ii).
(ii)
Lending and finance business
The term “lending and finance business” means a trade or business of—
(I)
making loans,
(II)
purchasing or discounting accounts receivable, notes, or installment obligations,
(III)
engaging in rental and leasing of real and tangible personal property, including entering into leases and purchasing, servicing, and disposing of leases and leased assets,
(IV)
rendering services or making facilities available in the ordinary course of a lending or finance business, and
(V)
rendering services or making facilities available in connection with activities described in subclauses (I) through (IV) carried on by the corporation rendering services or making facilities available, or another corporation which is a member of the same affiliated group (as defined in section 1504 without regard to section 1504(b)(3)).
(f)
Time for payment of interest
If the time for payment of any amount of tax has been extended under this section—
(1)
Interest for first 5 years
(2)
Interest for periods after first 5 years
(3)
Interest in the case of certain deficiencies
(4)
Selection of shorter period
(Added [Pub. L. 94–455, title XX, § 2004(a)], Oct. 4, 1976, [90 Stat. 1862]; amended [Pub. L. 95–600, title V, § 512(a)], (b), Nov. 6, 1978, [92 Stat. 2882], 2883; [Pub. L. 97–34, title IV, § 422(a)], (c), (e)(5)(A), (B), Aug. 13, 1981, [95 Stat. 314–316]; [Pub. L. 97–448, title I, § 104(c)], (d)(1)(B), Jan. 12, 1983, [96 Stat. 2382], 2383; [Pub. L. 98–369, div. A, title V, § 544(b)(4)], title X, § 1021(a)–(d), July 18, 1984, [98 Stat. 894], 1024–1026; [Pub. L. 99–514, title XIV, § 1432(e)], Oct. 22, 1986, [100 Stat. 2730]; [Pub. L. 104–188, title I, § 1704(t)(15)],