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SECTION 2. BACKGROUND
Internal Revenue Bulletin 1999-17 · 2026-10-03 edition · updated 2026-10-04 · United States
.01 Generally, under § 6511(a), a taxpayer must file a claim for credit or refund of tax within three years after the date of filing a tax return or within two years after the date of payment of the tax, whichever period expires later.
.02 Section 6511(h), as added by § 3202 of the Internal Revenue Service Restructuring and Reform Act of 1998, Pub. L. No. 105–206, 112 Stat. 685 (July 22, 1998), suspends the statute of limitations period for filing a claim for credit or refund under § 6511(a) for any period of an individual taxpayer’s life during which the taxpayer is unable to manage the taxpayer’s financial affairs because of a medically determinable mental or physical impairment that can be expected to result in death, or has lasted (or can be expected to last) for a continuous period of not less than 12 months. Further, a taxpayer is not considered to be financially disabled during any period in which the taxpayer’s spouse or any other person is authorized to act on behalf of the taxpayer in financial matters. Section 6511(h)(2)(A) requires that proof of the taxpayer’s financial disability be furnished to the Internal Revenue Service.
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