If a report required by this subchapter is not filed, or if the report when filed is incorrect or insufficient, or if the tax as imposed by this subchapter has been determined to be due from a licensee or another person, the amount of tax due shall be determined by the Mayor from information as may be obtainable. Notice of the determination shall be given to the licensee or other person required to file a report or pay the tax. Assessments of any deficiencies in the tax due under this chapter, or any interest and penalties thereon, shall be governed by § 47-4312.
D.C. Code § 47-2316
Section 410(d) of D.C. Law 13-305 provided: "Section 406(a), (c), (j), (m), (p), (q), (s), (w), (bb), (dd), (ee), (hh) through (kk), (mm) through (oo), (qq) through (uu), (yy), (zz), (bbb), (ddd), and (fff) shall apply for all tax years or taxable periods beginning after December 31, 2000."