Request for Prompt Assessment

§ 6501. Limitations on assessment and collection(a) General ruleExcept as otherwise provided in this section, the amount of any tax imposed by this title shall be assessed within 3 years after the return was filed (whether or not such return was filed on or after the date prescribed) or, if the tax is payable by stamp, at any time after such tax became due and before the expiration of 3 years after the date on which any part of such tax was paid, and no proceeding in court without assessment for the collection of such tax shall be begun after the expiration of such period. For purposes of this chapter, the term “return” means the return required to be filed by the taxpayer (and does not include a return of any person from whom the taxpayer has received an item of income, gain, loss, deduction, or credit). (b) Time return deemed filed(1) Early returnFor purposes of this section, a return of tax imposed by this title, except tax imposed by chapter 3, 4, 21, or 24, filed before the last day prescribed by law or by regulations promulgated pursuant to law for the filing thereof, shall be considered as filed on such last day. (2) Return of certain employment and withholding taxesFor purposes of this section, if a return of tax imposed by chapter 3, 4, 21, or 24 for any period ending with or within a calendar year is filed before April 15 of the succeeding calendar year, such return shall be considered filed on April 15 of such calendar year. (3) Return executed by SecretaryNotwithstanding the provisions of paragraph (2) of section 6020(b), the execution of a return by the Secretary pursuant to the authority conferred by such section shall not start the running of the period of limitations on assessment and collection. (4) Return of excise taxesFor purposes of this section, the filing of a return for a specified period on which an entry has been made with respect to a tax imposed under a provision of subtitle D (including a return on which an entry has been made showing no liability for such tax for such period) shall constitute the filing of a return of all amounts of such tax which, if properly paid, would be required to be reported on such return for such period. (c) Exceptions(1) False returnIn the case of a false or fraudulent return with the intent to evade tax, the tax may be assessed, or a proceeding in court for collection of such tax may be begun without assessment, at any time. (2) Willful attempt to evade taxIn case of a willful attempt in any manner to defeat or evade tax imposed by this title (other than tax imposed by subtitle A or B), the tax may be assessed, or a proceeding in court for the collection of such tax may be begun without assessment, at any time. (3) No returnIn the case of failure to file a return, the tax may be assessed, or a proceeding in court for the collection of such tax may be begun without assessment, at any time.