(a) The corporation shall adopt regulations in accordance with AS 18.56.088 establishing acceptable security for loans originated or purchased in whole or in part under AS 18.56.420.
(b) A person may pledge as security for the repayment of a loan originated or purchased in whole or in part under AS 18.56.420 a preference right that person holds to receive title to land the person occupies as a primary place of residence, primary place of business, subsistence campsite, or as headquarters for reindeer husbandry. The preference right must be conveyed to the person by the Native corporation to which the land was granted under 43 U.S.C. 1613 (Alaska Native Claims Settlement Act) before it may be pledged as security under this subsection. The corporation shall prescribe procedures and standard forms for establishing, pledging, and appraising the value of a preference right held by a person to secure the repayment of a loan originated or purchased in whole or in part under AS 18.56.420.