The conversion approval required by § 44-603 shall be a condition precedent to the issuance of a Certificate of Need or a Certificate of Authority, permit, license, and any other type of official approval, except zoning approval, by an agency or officer or employee of the District government which is necessary for a particular health project.
D.C. Code § 44-605
Hospital and medical services corporation regulation, exclusivity of provisions, see § 31-3502. .