§33-7-13. Valuation of mortgages or deeds of trust.
Mortgages or deeds of trust on real property shall be valued
in an amount equal to the unpaid balance but not exceeding sixty-
six and two-thirds percent of the fair value of such real
property, except that any amount in excess of sixty-six and two-
thirds percent may be included to the extent the loan evidenced
by such deed of trust or mortgage is guaranteed by an agency of
the federal government.