A fixed amount obligation
(ii) Fixed amount obligations. (A) A fixed amount obligation means an installment obligation the amount payable under which is fixed. Solely for the purpose of determining whether the amount payable under an installment obligation is fixed, the provisions of section 483 and any payment recharacterization arrangement (as defined in paragraph (c)(2)(ii) of this section) shall be disregarded. If the fixed amount payable is stated in identified, fungible units of property the value of which will or may vary over time in relation to the United States dollar (e.g., foreign currency, ounces of gold, or bushels of wheat), such units shall be converted to United States dollars at the rate of exchange or dollar value on the date the installment sale is made. A taxpayer using the cash receipts and disbursements methods of accounting shall treat as an amount realized in the year of sale the fair market value of the installment obligation. In no event will the fair market value of the installment obligation be considered to be less than the fair market value of the property sold (minus any other consideration received by the taxpayer on the sale). A taxpayer using the accrual method of accounting shall treat as an amount realized in the year of sale the total amount payable under the installment obligation. For this purpose, neither interest (whether stated or unstated) nor original issue discount is considered to be part of the amount payable. If the amount payable is otherwise fixed, but because the time over which payments may be made is contingent, a portion of the fixed amount will or may be treated as internal interest (as defined in paragraph (c)(2)(ii) of this section), the amount payable shall be determined by applying the price interest recomputation rule (described in paragraph (c)(2)(ii) of this section). Under no circumstances will an installment sale for a fixed amount obligation be considered an open transaction. For purposes of this (ii), remote or incidential contingencies are not to be taken into account. (B) The following examples illustrate the provisions of paragraph (d)(2) of this section.