53 STAT.] 76TH CONG. , IST SESS.-CH. 367-JULY 26, 1939 the period agreed upon. The period so agreed upon may be extended by subsequent agreements in writing made before the expiration of the period previously agreed upon. (d) COLUECTION AFTER ASSESSMENT.-W here the assessment of any income tax imposed by this title has been made within the period of limitation properly applicable thereto, such tax may be collected by distraint or by a proceeding in court, but only if begun (A) within three years after the assessment of the tax or (B) prior to the expira- tion of any period for collection agreed upon in writing by the assessor and the taxpayer before the expiration of such three-year period. The period so agreed upon may be extended by subsequent agreements in writing made before the expiration of the period previously agreed upon. REFUNDS SEC. 34. Except as otherwise provided in section 31 of this title, where there has been an overpayment of any tax imposed by this title, the amount of such overpayment shall be refunded to the taxpayer. No such refund shall be allowed after two years from the time the tax is paid unless before the expiration of such period a claim there- for is filed by the taxpayer. The amount of the refund shall not exceed the portion of the tax paid during the two years immediately preceding the filing of the claim, or, if no claim was filed, then during the two years immediately preceding the allowance of the refund. Every claim for refund must be in writing, under oath; must state the specific grounds upon which the claim is founded, and must be filed with the assessor. If the assessor disallows any part of a claim for refund, he shall send to the taxpayer by registered mail a notice of the part of the claim so disallowed. Within ninety days after the mailing of such notice, the taxpayer may file an appeal with the Board of Tax Appeals for the District of Columbia, in the same manner and to the same extent as set forth in sections 3, 4, 7, 8, 9, 10, 11, and 12 of title IX of an Act to amend the District of Columbia Revenue Act of 1937, and for other purposes, approved May 16, 1938. The remedy provided to the taxpayer under this section shall not be deemed to take away from the taxpayer any remedy which he might have under any other provision of law; but no suit by the taxpayer for the recovery of any part of such tax shall be instituted in any court if the taxpayer has elected to file an appeal in accordance with this section. CLOSING AGREEMENTS SEC. 35. The assessor is authorized to enter into an agreement with any person relating to the liability of such person (or of the person or estate for whom he acts) in respect of any income tax for any period ending prior to the date of the agreement. If such agreement is approved by the Commissioners within such time as may be stated in such agreement, or later agreed to, such agreement shall be final and conclusive and except upon a showing of fraud or malfeasance, or misrepresentation of a material fact-the case shall not be reopened as to the matters agreed upon or the agreement modified; and in any suit or proceeding relating to the tax liability of the tax- payer such agreement shall not be annulled, modified, set aside, or disregarded. COMPEOISES SEC. 36. (a) AUTHoRlTr TO MAKE. -Whenever in the opinion of the Commissioners there shall arise with respect of any tax imposed under this title any doubt as to the liability of the taxpayer or the collectibility of the tax for any reason whatsoever the Commissioners may compromise such tax. 1103 Time extension. Collection after as- sessment. By distraint, etc.; time limit. Extension. Overpayments. Time limitations. Limit on amount of refund. Filing of claims. Appeal to Board of Tax Appeals, D. C . 52 Stat. 371, 374, 375. Remedies under other provisions of law. Closing agreements. Authority to make.
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