An insurer may lend on the security of a first lien on an unencumbered leasehold on real property if:

(a) The real property subject to the leasehold is primarily improved by a single family residence, the term of the loan does not exceed 30 years, and the amount of the loan plus the amount of the liens of any public bond, assessment or tax assessed upon the property loaned upon does not exceed 75 percent of the sound market value of the leasehold for loan purposes as determined by appraisal; or

(b) The real property subject to the leasehold is not primarily improved by a single family residence, the term of the loan does not exceed 30 years, and the amount of the loan plus the amount of the liens of any public bond, assessment or tax assessed upon the property loaned upon does not exceed 66²/₃ percent of the sound market value of the leasehold for loan purposes as determined by appraisal; or

(c) Where the loan is a building loan, the principal so loaned plus the amount of the liens of any public bond, assessment or tax assessed upon the property subject to said leasehold at no time exceeds 75 percent if made upon the kind of property and improvements referred to in (a) above or if other than referred to in (a) above, at no time exceeds 66²/₃ percent of the sound market value of the leasehold for loan purposes as determined by appraisal, including the actual cost of the improvements thereon taken as security; or

(d) The loan is fully guaranteed or fully insured or covered by a commitment to fully guarantee or fully insure by the United States, the Federal Housing Administrator, or by any other agency of the United States which the commissioner shall have approved for the purposes of this subdivision as an issuer of insurance or guarantees of loans on real property, whether the proceeds of the guarantee or insurance is payable in cash or in obligations of the United States; or

(e) The loan is fully guaranteed by the United States or any agency thereof pursuant to the “Servicemen’s Readjustment Act of 1944” or any act of Congress supplementary or amendatory thereof, or, if a portion of the loan is so guaranteed, then if the unguaranteed portion of the loan does not exceed 75 percent of the sound market value of the leasehold for loan purposes as determined by appraisal.

(f) In all cases mentioned in subsections (a), (b), (c) and (e), the loan must be repayable in equal installments not less often than annually in amounts sufficient to completely amortize the loan within three-fourths of the remaining term of the leasehold including options to renew exercisable by the lender.

A leasehold on real property is not encumbered within the meaning of this section if subject only to one or more of the following: (a) the lien of taxes and assessments not delinquent at the time of investment, (b) the lien for delinquent taxes or assessments delinquent at the time of investment, which are being contested by any legal proceedings, provided that indemnity has been given pursuant to the indenture under which the bonds and notes are issued, or otherwise, for the payment of any amount which may be found to be due upon the final adjudication of such contest, (c) the lien of taxes and assessment becoming delinquent subsequent to the time of investment, (d) outstanding mineral, oil or timber rights, (e) easements or rights-of-way, (f) sewer rights, (g) rights in walls, (h) building restrictions or other restrictive covenants, or conditions or regulations of use, or subleases under which rents or profits are reserved to the owner.

For the purposes of this section, delinquent taxes funded on any deferred payment plan shall be deemed delinquent.

(Repealed and added by Stats. 1963, Ch. 321.)