After property is dedicated pursuant to this chapter, a cemetery authority may sell, transfer, and convey plots, crypts, or niches thereof, which plots, crypts, or niches shall be described by reference to the map or plat, or amended map or plat, filed in accordance with section 441-3 or 441-8. No plot, crypt, or niche shall be sold, transferred, conveyed, or otherwise disposed of, or offered for sale, transfer, conveyance, or other disposition, unless the property on or in which the plot, crypt, or niche is included has been dedicated pursuant to this chapter, nor shall any plot, crypt, or niche be sold, transferred, conveyed, or otherwise disposed of, or offered for sale, transfer, conveyance, or other disposition, unless the property on or in which the plot, crypt, or niche is included shall either be free and clear of all encumbrances or there has been recorded the written consent of every encumbrancer thereof that the encumbrancer’s encumbrance shall be subject and subordinate to the dedication of the property to cemetery purposes and the title of any plot, crypt, or niche owner.