(a) Subject to subsection (b) of this section, the subdivision regulations may provide for tentative approval of a plat before improvements and installations.
(b) Tentative approval of a plat may not:
(1) be entered on the plat; or
(2) entitle the plat to be filed or recorded.
(c) (1) Instead of requiring the completion of improvements or installation of utilities before the approval of a plat, the county planning board or county may accept security to secure the construction of improvements and installation of utilities at a time and according to specifications set by or in accordance with the subdivision regulations.
(2) The county planning board or county may enforce the security by any appropriate legal or equitable remedy.