Section 81-201 - Creation of common interest communities(a) A common interest community may be created pursuant to this chapter only by recording a declaration executed in the same manner as a deed and, in a cooperative, by conveying the real estate subject to that declaration to the association. The declaration and bylaws must be recorded in every county in which any portion of the common interest community is located and must be indexed in the grantee's index in the name of the common interest community and the association and in the grantor's index in the name of each person executing the declaration.(b) In a condominium, a declaration, or an amendment to a declaration, adding units that are contained in or comprised by buildings may not be recorded unless the structural components and mechanical systems of any buildings containing or comprising any units thereby created, if any, are substantially completed in accordance with the plans, as evidenced by a record certification of completion executed by an independent registered engineer or architect, which may be incorporated in the recorded declaration or amendment or the recorded plat or otherwise, or by the issuance by the appropriate governmental authority of a certificate of occupancy, or its equivalent, for the applicable unit.76 Del. Laws, c. 422, § 2; 77 Del. Laws, c. 91, §§ 22, 82.;