76 STAT. ]
PUBLIC LAW 87-408-MAR. 2, 1962
port that fact to the United States District Court for the District of Columbia, or one of the judges thereof, and said court or any judge thereof hereby is empowered to compel obedience to such summons to the same extent as witnesses may be compelled to obey the subpenas of that court. Any person in custody or control of any books, papers, records, or memorandums bearing upon the matters to which reference is herein made who shall refuse to permit the examination by the Commissioners or any person designated by them of any such books, papers, records, or memorandums, or who shall obstruct or hinder the Commissioners or any person designated by them in the examination of any books, papers, records, or memorandums, shall upon conviction thereof be subject to the penalties provided in this title. SEC. 306. RECORDATION.—Except as otherwise provided in this title, no deed shall be recorded by the Commissioners until the return required by this title shall have been filed, and the tax imposed by this title shall have been paid. SEC. 307. PRESUMPTIONS AND BURDEN OF PROOF.—For the purpose
of proper administration of this title and to prevent evasion of the tax hereby imposed, it shall be presumed that all deeds are taxable and the burden shall be upon the taxpayer to show that a deed is exempt from tax. SEC. 308. DEFICIENCIES I N T A X. — (a) I f a deficiency in tax is determined by the Commissioners, the person liable for the payment thereof shall be notified by registered or certified mail of said determination which shall include a statement of taxes due and given a period of not less than thirty days after such notice is sent in which to file a protest with the Commissioners and show cause or reason why the deficiency should not be paid. If no protest is filed within such thirty-day period, the deficiency as determined by the Commissioners shall be nnal. If a protest is filed within said period of thirty days, opportunity for hearing thereon shall be granted by the Commissioners, and a final decision thereon shall be made as quickly as practicable and notice of such decision, together with a statement of taxes finally determined to be due, shall be sent by registered or certified mail to the person liable for the payment of the deficiency. (b) Any deficiency in tax which has become final in accordance with the provisions of subsection (a) of this section shall, if no protest is filed, be due and payable within ten days after the expiration of the thirty-day period provided in subsection (a) of this section or, if a protest is filed, shall be due and payable within ten days after notice of the final decision of the Commissioners upon such protest is sent to the person liable for payment of the deficiency. SEC. 309. PENALTIES AND INTEREST.—(a) I n case of any failure to make and file a correct return as required by this title within the time prescribed by this title or prescribed by the Commissioners in pursuance of this title, 5 per centum of the tax imposed by this title shall be added to such tax for each month or fraction thereof that such failure continues, not to exceed 25 per centum in the aggregate, except that when a return is filed after such time and it is shown that the failure to file was due to reasonable cause and not due to neglect the Commissioners may in their discretion waive, in whole or in part, the addition to the tax provided by this subsection. (b) The amount added to any tax under subsection (a) of this section shall be collected at the same time and in the same manner and as a part of the tax unless the tax has been paid before the discovery of neglect. (c) Interest upon the amount finally determined as a deficiency shall be assessed at the same time as the deficiency, and shall be collected as a part of the tax, at the rate of one-half of 1 per centum
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