SIXTY-EIGHTH CONGRESS. Sess. I. Ch. 234. 1924. 299 amended, is not paid in full within ten days from the date of notice m°°“E TAX- and demand from the collector, there shall be collected as part of the tax, interest upon the unpaid amount at the rate of 1 per centum a month from the date of such notice and demand until it is paid. If any part of a deBciency prorated to any unpaid installment under ,,§§'}‘,}§{*§,’,\1“f,§§,,§’§_*"°' subdivision (e) of section 274 is not paid in full on the date pre- ° scribed for the payment of such installment, there shall be collected as part of the tax interest upon the unpaid amount at the rate of 1 per centum a month from such date until it is paid. (c) In the case of estates of incompetent, deceased, or insolvent ,,§g°{,*}S*,,jc*;},*;,p*{,*g°I$§g persons, there shall be collected interest at the rate of 6 per centum and insolvems. per annum in lieu of the interest provided in subdivisions (a) and (b) of this section, _ _ _ _ _ (d) If a claim in abatement IS Bled, as provided in_ section 279, c,,§‘,gg,,§§gQ§§,§,*:¤,_‘° the rovisions of subdivisions (b) and (c) of this section shall not P¤·t¤.3w. apply to the amount covered by the claim in abatement. mmron or 1.1MrrAcr1oN UroN ASSESSMENT AND oonnncrron or mx. m§j{”f,§§°],’,{,;’,;'c,‘}f,“,ji”‘ Sec. 277. (a) Except as provided in section 278 and in subdivision P°"°ds d°“‘“°”°‘i‘ (b) of section 274 and in subdivision (b) of section 279- _ (1) The amount of income, excess—proBts, and war-proBts taxes ,,§jj’ ‘g‘§§‘{§f; imposed by the Revenue Act of 1921, and by such Act as amended, ¤¤d¢¤i¤ Act for the taxable year 1921 and succeeding taxable years, and the amount of income taxes imposed by this Act, shall be assessed Pr I. ,0, wb within four years after the return was Bled, and no proceeding in lection mmm. court for the collection of such taxes shall be begun after the expiration of such period. ‘ (2) The amoimt of income, excess—proBts, and war-profits taxes A$f,’T°”°°“°°"“"“ imposed b the Act entitled "An Act to provide revenue, equalize "°*·3°·P·“‘-’· duties, and, encourage the industries of the United States, and for other purposes," a proved August 5, 1909, the Act entitled "An V°L38'°‘1°6' Act to reduce tariii) duties and to provide revenue for the Govern· V I 39 56 _ ment, and for other urposes," approved October 3, 1913, the Rcve- \’o1?4b,;i;ii%0i>; ¤bi?°' nue Act of 1916, the Iltevenue Act of 1917, the Revenue Act of 1918, and by any such Act as amended, shall be assessed within Bve years Pr d, ,0 I after the return was Bled, and no proceedin in court for the col- 1ms$°?£·S¤¥l$t·a.r °°` lectioéi of such taxes shall be begun after 510 expiration of such rio . P9(3) In the case of income received during the lifetime of a iSi"iii§”Erri°i;$•?aiiii: decedent, the tax shall be assessed, and any proceeding in court §{‘,,f°°“°“‘°'°‘°°“‘°'· for the collection of such tax shall be begun, within one year after written request therefor (Bled after the return is made) by the executor, administrator, or other fiduciary representing the estate of such decedent, but not after the expiration of the period prescribed for the assessment of the tax in paragraph (1) or (2) of this subdivision. Tim emma on (b) The period within which an assessment is required to be made uma ameuaemy. by subdivision (a) of this section in respect of any deficiency shall be extended (1) by 60 days if a notice of such deficiency has been mailed to the taxpayer under subdivision (a) of section 274 and Ifmpwmd no appeal has been Bled with the Board of Tax Appeals, or, (2) if an appeal has been Bled, then by the number of days between the date of the mailing of such notice and the date of the iinal decision by the Board. mmmn, M _, Sec. 278. (a) In the case of a false or fraudulent return with mf: time ui u intent to evade tax or of a failure to file a return the tax may be [md' assessed, or a proceeding in co1u·t for the collection of such tax may be begun without assessment, at any time.