D.C. Law 16-145 , in the lead-in language to subsec. (a), substituted “the amount of rent charged may, at the election of the housing provider, be increased:” for “the rent ceiling may, at the election of the housing provider, be adjusted to either:”; in par. (a)(1), substituted “(1) By 10% of the current allowable amount of rent charged for the vacant unit; or” for “(1) The rent ceiling which would otherwise be applicable to a rental unit under this chapter plus 12% of the ceiling once per 12-month period; or”; in par. (a)(2), substituted “(2) To the amount of rent charged for a substantially identical rental unit in the same housing accommodation; provided, that the increase shall not exceed 30% of the current lawful amount of rent charged for the vacant unit” for “(2) The rent ceiling of a substantially identical rental unit in the same housing accommodation”; and added subsec. (d). Expiration of Law See Historical and Statutory Notes following § 42-3502.01 . Applicability