Sec. 20. (a) "Garden crypt" means a structure or building that is:
(1) used; or
(2) intended to be used;
for the entombment or inurnment of human remains in crypts, vaults, or niches, in which entombment or inurnment is done from the exterior of the structure or building.
(b) The term includes a columbarium within a garden crypt.