26 CFR § 1.1016-10 - Substituted basis.

---
identifier: "/us/cfr/t26/s1.1016-10"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "26 CFR § 1.1016-10 - Substituted basis."
title_number: 26
title_name: "Internal Revenue"
section_number: "1.1016-10"
section_name: "Substituted basis."
chapter_name: "INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY"
subchapter_number: "A"
subchapter_name: "INCOME TAX"
part_number: "1"
part_name: "INCOME TAXES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "26 U.S.C. 7805, unless otherwise noted."
regulatory_source: "T.D. 6500, 25 FR 11402, Nov. 26, 1960; 25 FR 14021, Dec. 21, 1960; T.D. 9989, 89 FR 17606, Mar. 11, 2024, unless otherwise noted."
cfr_part: "1"
---


# 1.1016-10 Substituted basis.

(a) Whenever it appears that the basis of property in the hands of the taxpayer is a substituted basis, as defined in section 1016(b), the adjustments indicated in §§ 1.1016-1 to 1.1016-6, inclusive, shall be made after first making in respect of such substituted basis proper adjustments of a similar nature in respect of the period during which the property was held by the transferor, donor, or grantor, or during which the other property was held by the person for whom the basis is to be determined. In addition, whenever it appears that the basis of property in the hands of the taxpayer is a substituted basis, as defined in section 1016(b)(1), the adjustments indicated in §§ 1.1016-7 to 1.1016-9, inclusive, and in section 1017 shall also be made, whenever necessary, after first making in respect of such substituted basis a proper adjustment of a similar nature in respect of the period during which the property was held by the transferor, donor, or grantor. Similar rules shall also be applied in the case of a series of substituted bases.

(b)cation of this section may be illustrated by the following example: