(a) Subject to the provisions of the declaration and other provisions of law, the boundaries between adjoining units may be relocated by an amendment to the declaration upon application to the association by the owners of those units. If the owners of the adjoining units have specified a reallocation between their units of their allocated interests, the application must state the proposed reallocations. Unless the executive board determines, within 30 days after receipt of the application, that the reallocations are unreasonable, the association shall prepare an amendment that identifies the units involved and states the reallocations. The amendment shall be executed by those unit owners, shall contain words of conveyance between them, and, on recordation, shall be indexed in the name of the grantor and the grantee and in the grantee's index in the name of the association.

(b) Subject to the provisions of the declaration and other provisions of law, boundaries between units and common elements may be relocated to incorporate common elements within a unit by an amendment to the declaration upon application to the association by the owner of the unit who proposes to relocate a boundary. Unless the declaration provides otherwise, the amendment may be approved only if persons entitled to cast at least 67 percent of the votes in the association, including 67 percent of the votes allocated to units not owned by the declarant, agree to the action. The amendment may describe any fees or charges payable by the owner of the affected unit in connection with the boundary relocation and the fees and charges are assets of the association. The amendment must be executed by the unit owner of the unit whose boundary is being relocated and by the association, contain words of conveyance between them, and on recordation be indexed in the name of the unit owner and the association as grantor or grantee, as appropriate.

(c) The association: