Title 47 — Taxation, Licensing, Permits, Assessments, and Fees. [Enacted title]

(a) Unless otherwise provided in subsection (d) of this section, the amount of a tax imposed under this title shall be assessed within 3 years after the return was filed (whether or not the return was filed after the date due) or, if the tax is payable by stamp, at any time after…

(a) If the assessment of a tax imposed by this title has been made within the applicable period of limitation, the tax may be collected by levy or by a proceeding in court, but only if the levy is made or the proceeding begun within 10 years after the assessment of the tax. (b) I…

The running of the period of limitation provided in §§ 47-4301 and 47-4302 on the making of assessments or collection shall be suspended: (1) Beginning on the day the Chief Financial Officer of the District of Columbia (“CFO”) issues a notice of proposed audit changes pursuant to…

(a) A credit or refund of an overpayment of a tax imposed by this title shall not be allowed unless the taxpayer files a claim within the later of 3 years from the due date of the return or 3 years from the date that the tax was paid. (b) If, before the expiration of the period o…

A taxpayer whose taxable income was changed or corrected by the Commissioner of Internal Revenue for taxable years beginning after December 31, 1997, and ending before January 1, 2001, shall be allowed a tax credit equal to the decrease in the District tax for the applicable year…

(a) For the purpose of ascertaining the correctness of a return; making a return where none has been made; determining the liability of a person or real property for a tax imposed under this title; determining the liability at law or in equity of a transferee or fiduciary of a pe…

Every person who is liable for a tax imposed by this title and every owner of real property that is liable for a tax imposed by this title shall maintain sufficient books and records to determine liability for the tax.

(a) Unless otherwise provided in this title, before a final assessment of a deficiency, interest, or penalties against a person, the Mayor shall send the person a proposed assessment. No later than 30 days after the proposed assessment is sent, the person may file a protest with …

For the purpose of ascertaining the correctness of any return required to be made by this title, making a return where none has been made, determining the liability of any person or real property for any District of Columbia tax (including any interest, additional amount, additio…

(a) The time and place of examination pursuant to § 47-4313 shall be fixed by the Mayor, or any authorized officer or employee of the Office of Tax and Revenue, and shall be reasonable under the circumstances. The time and place for an examination shall be presumed to be reasonab…