No final plat shall be approved or recorded until the subdivider has submitted and the Board has approved, one or a combination of, the following:

     A. Subdivision improvements agreement guaranteeing to construct any required public improvements shown in the final plat documents, together with collateral which is sufficient, in the judgment of the Board, to make reasonable provision for the completion of said improvements in accordance with design and time specifications;

     B. Other agreements or contracts setting forth the plan, method and parties responsible for the construction of any required public improvements shown in the final plat documents which, in the judgment of the Board, will make reasonable provision for completion of said improvements in accordance with design and time specifications.