the Secretary may make a new loan to the current borrower to finance the final payment of the original loan for an additional period not to exceed twenty years, if—
(A) the Secretary determines— (i) it is more cost-efficient and serves the tenant base more effectively to maintain the current property than to build a new property in the same location; or (ii) the property has been maintained to such an extent that it warrants retention in the current portfolio because it can be expected to continue providing decent, safe, and affordable rental units for the balance of the loan; and
(B) the Secretary determines— (i) current market studies show that a need for low-income rural rental housing still exists for that area; and (ii) any other criteria established by the Secretary has been met.