No tax deferral in any one year shall be granted pursuant to Code Section 48-5-72:

(1) If the total amount of deferred taxes and interest plus the total amount of all other unsatisfied liens on the homestead exceeds 85 percent of the fair market value of the homestead as shown on the county tax digest for the immediately preceding tax year;

(2) If the applicant's gross household income for the immediately preceding calendar year exceeds $15,000.00;

(3) If the homestead for which the deferral is sought is subject to any lien, the terms of which are dictated by federal law, rule, or regulation prohibiting deferral of taxes; or

(4) With respect to taxes levied to retire bonded indebtedness or for special assessments.