D.C. Mun. Regs. tit. 14, § 8406
8406.1 In the event there is an interim adjustment to the Total Tenant Payment following the report of a change in income, allowances, deductions or family composition, that is made less than six (6) months before the regularly scheduled recertification, such regularly scheduled recertification will be skipped and the next regular recertification will be the next biennial recertification.
SOURCE: Notice of Final Rulemaking published at 54 DCR 9366 (September 28, 2007).