D.C. Code § 21-2221.10
If a patient has a durable power of attorney for health care under subchapter I [of the chapter], or a comparable statute in any other jurisdiction, or another legal document with a substantially equivalent purpose to a durable power of attorney or a MOST Form, the most recent document to have been executed shall govern if any conflict exists between the directives in that legal document and the directives in the patient's MOST Form.
D.C. Code § 21-2221.10
Applicability
Section 7011 of D.C. Law 22-33 repealed § 4 of D.C. Law 21-72. Therefore the creation of this section by D.C. Law 21-72 has been implemented.
Applicability of D.C. Law 21-72: Section 4 of D.C. Law 21-72 provided (a) that the act shall apply upon the date of inclusion of its fiscal effect in an approved budget and financial plan; (b) that the Chief Financial Officer shall certify the date of the inclusion of the fiscal effect in an approved budget and financial plan, and provide notice to the Budget Director of the Council of the certification; and (c) that the Budget Director shall cause the notice of the certification to be published in the District of Columbia Register and that the date of publication of the notice of the certification shall not affect the applicability of the act.