The definitions in this chapter apply throughout this subtitle.
Definitions applicable to separate chapters appear in those chapters.
A word used in this subtitle but not specifically defined in this section, or specifically defined for the purposes of a chapter, has the meaning given in the current edition of Webster's Unabridged Dictionary.
The following rules of interpretation apply throughout this subtitle:
The Mayor's Agent, State Historic Preservation Officer, and Historic Preservation Review Board shall decide any disagreement over interpretation of the definitions applicable to their respective areas of responsibility.
D.C. Mun. Regs. tit. 10, r. 10-C9900