Indiana Code Title 32. Property § 32-29-1-10

(1) future obligations and advances up to the maximum amount stated in the mortgage (whether made as an obligation, made at the option of the lender, made after a reduction to a zero (0) or other balance, or made otherwise) to the same extent as if the future obligations and advances were made on the date of execution of the mortgage;  and

(2) future modifications, extensions, and renewals of any indebtedness or obligations secured by the mortgage if and to the extent that the mortgage states that the mortgage secures those future advances, modifications, extensions, and renewals.