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Bank A makes monthly installment payments of mortgage principal to Borrower on the first of each month from February through June. Bank A records its mortgage on February 1. On March 15 Bank B makes a $75,000 mortgage loan to Borrower secured by a mortgage on the same property, which it records on March 15. After Bank has made all installment payments Borrower defaults. Bank B claims its $75,000 March 15 loan has priority over Bank A's loan installments made on April 1, May 1, and June 1. The court rules in favor of Bank A, even though it was not obligated to make installment payments to Borrower.
What is the modern statutory approach to priority disputes over future loan advances?