At least twenty five percent of the cost or value of the qualifying industrial property shall be real property or an interest in real property. The Authority may also make loans secured by a mortgage or lien on a leasehold estate held by an industrial development agency. In order to qualify for a loan secured by a leasehold estate the lease must be one and one-half times the term of the loan to the industrial development agency and the owner of the real property subject to the leasehold estate until the full balance of the OIFA loan is paid.
Okla. Admin. Code § 355:10-3-3