12 CFR § 160.170 - Records for lending transactions.
In establishing and maintaining its records pursuant to § 163.170 of this chapter, each Federal savings association and service corporation should establish and maintain loan documentation practices that:
(a) Ensure that the institution can make an informed lending decision and can assess risk on an ongoing basis;
(b) Identify the purpose and all sources of repayment for each loan, and assess the ability of the borrower(s) and any guarantor(s) to repay the indebtedness in a timely manner;
(c) Ensure that any claims against a borrower, guarantor, security holders, and collateral are legally enforceable;
(d) Demonstrate appropriate administration and monitoring of its loans; and
(e) Take into account the size and complexity of its loans.