Unless approved by persons entitled to cast at least 80 percent of the votes in the association, including a simple majority of the votes allocated to cooperative interests not owned by a declarant or any larger percentage the declaration specifies, (i) the association shall not assume or take subject to any debt, inclusive of any principal and interest accrued thereon, incurred in the original acquisition, development, or construction of or the conversion of the cooperative in excess of the amounts disclosed in the public offering statement pursuant to § 55.1-2155 or 55.1-2156, nor shall the cooperative or any proprietary lessee’s interest be encumbered by a security interest for any greater amount incurred for such purposes, and (ii) the declarant shall not amend the public offering statement to change the amounts disclosed after conveyance of the first unit to a proprietary lessee. However, the amounts disclosed shall not be subject to adjustment such that the association or the proprietary lessees are subjected to the construction or market risks of the declarant.