D.C. Mun. Regs. tit. 17, § 9307
9307.1 An applicant for renewal shall have:
(a) Completed at least twenty-four (24) hours of continuing education or in-service training in the area of health or nursing needs of an assigned client population during the certification period;
(b) Practiced a minimum of one hundred (100) hours during the prior twenty-four (24) months as an HHA under the supervision of a licensed nurse or other licensed health professional; and
(c) Completed a CBC as required.
SOURCE: Final Rulemaking published at 59 DCR 8359, 8366 (July 13, 2012).