SECTION 3. SCOPE

.01 In General . The simplified method of this revenue procedure is available to the executor (either an appointed executor or, if none, a non-appointed executor, as provided in § 20.2010–2(a)(6)) of the estate of a decedent if:

(1) The decedent:

(a) was survived by a spouse; (b) died after December 31, 2010; and (c) was a citizen or resident of the

United States on the date of death. (2) The executor is not required to file an estate tax return under § 6018(a) as determined based on the value of the gross estate and adjusted taxable gifts and without regard to the need to file for portability purposes;

(3) The executor did not file an estate tax return within the time required by § 20.2010–2(a)(1) for filing an estate tax return; and

(4) The executor satisfies all requirements of section 4.01 of this revenue procedure.

.02 Executors that Timely Filed an Es- tate Tax Return . The simplified method of this revenue procedure is not available to the estate of a decedent whose executor filed an estate tax return within the time prescribed by § 20.2010–2(a)(1). Such an executor either will have elected portability of the DSUE amount by timely filing that estate tax return or will have affirmatively opted out of portability in accordance with § 20.2010–2(a)(3)(i).

.03 Failure to Qualify for Relief under this Revenue Procedure . The executor of

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an estate not within the scope described in section 3.01 of this revenue procedure only because the executor does not satisfy the requirements of section 4.01 of this revenue procedure may request an extension of time to make the portability election under § 2010(c)(5)(A) by requesting a letter ruling under the provisions of § 301.9100–3. The requirements for requesting a letter ruling are described in Rev. Proc. 2017–1 (or any successor revenue procedure).