Section 47-2015 - Monthly returns(a) On or before the 20th day of each calendar month, every vendor who has made any sale at retail, taxable under the provisions of this chapter, during the preceding calendar month, shall file a return with the Mayor. Such returns shall show the total gross proceeds of the vendor's business for the month for which the return is filed; the gross receipts of the business of the vendor upon which the tax is computed; the amount of tax for which the vendor is liable and such other information as the Mayor deems necessary for the computation and collection of the tax.(a-1) For the purposes of this chapter and Chapter 22 of this title, a room remarketer shall be deemed a vendor with respect to additional charges and shall file returns and remit tax with respect to such additional charges. The room remarketer shall collect and remit the tax imposed by this chapter and Chapter 22 of this title with respect to the net charges for the accommodations to the operator of the hotel, inn, tourist camp, tourist cabin, or any other place in which rooms, lodgings, or accommodations are regularly furnished to transients for a consideration. The operator shall be deemed a vendor with respect to such net charges and shall file returns and remit tax with respect to such net charges.(b) The Mayor may permit or require the returns to be made for other periods and upon such other dates as he may specify; provided, that the gross receipts during any tax year shall be included in returns covering such year and no other.(c) The form of returns shall be prescribed by the Mayor and shall contain such information as he may deem necessary for the proper administration of this chapter. The Mayor may require amended returns to be filed within 20 days after notice and to contain the information specified in the notice.May 27, 1949, 63 Stat. 118, ch. 146, title I, § 135; July 24, 1982, D.C. Law 4-131, § 223, 29 DCR 2418; enacted, Apr. 9, 1997, D.C. Law 11-254, § 2, 44 DCR 1575; Sept. 14, 2011, D.C. Law 19-21, § 7002(a)(4), 58 DCR 6226; Sept. 20, 2012, D.C. Law 19-168, § 7113, 59 DCR 8025. Compensating-use tax, returns and payment of tax, applicability of this section, see § 47-2210. Real property assessment and tax, classes of property, disputed occupancy of improved real property, see § 47-813. .