A credit union may make a loan, including a business loan, to a member with or without security in accordance with the written lending policies established by the board that cover all secured and unsecured loans. A credit union may accept as security for a loan: An endorsed note; A note secured by a lien on real, leasehold, or personal property; An assignment of shares or deposits in the credit union; or Any other kind of security that is approved by the Commissioner. The Commissioner may review the lending policies of the credit union and order changes.