D.C. Mun. Regs. tit. 9, § 2011
2011.1 The Board Chairperson has the authority to bring before the Board any proposed assessments that the Board Chairperson believes may have been incorrectly assessed.
2011.2 The Chairperson shall provide written notice simultaneously to the Deputy Chief Financial Officer and any property owner(s) affected by a petition filed pursuant to § 2011.1.
2011.3 The Deputy Chief Financial Officer may petition the Board in writing fifteen (15) days prior to the date that the Board must submit the Revised Assessment Roll, pursuant to § 2021.1 of this chapter, to the Mayor for the following purposes:
(a) To bring to the Board's attention the need for change in assessments of adjoining, similar, or related properties which may be affected by the Board's decision on an appeal under review; or
(b) To correct any assessment, valuation, or equalization which the Deputy Chief Financial Officer believes to have been erroneously made.
2011.4 The Deputy Chief Financial Officer shall provide written notice simultaneously to any property owners(s) affected by a petition filed by the Office pursuant to § 2011.3.
2011.5 A notice provided under § 2011.2 or 2011.4 shall comply with the requirements of § 2010.
2011.6 Any property owner affected by a petition of the Chairperson or Deputy Chief Financial Officer under this section, may provide written responses to the Board responses within ten (10) days after receipt of notice.
SOURCE: Final Rulemaking published at 45 DCR 24, 32 (January 2, 1998).