Where an enrolled member of an incorporated
volunteer fire company, fire department, or incorporated voluntary
ambulance service is killed in the line of duty, a deceased enrolled
member's unremarried spouse may continue to claim a real property
exemption hereunder; provided, however, that:
A. Such unremarried spouse is certified by the authority
having jurisdiction for the incorporated volunteer fire company, fire
department, or incorporated voluntary ambulance service as an unremarried
spouse of an enrolled member of such incorporated volunteer fire company,
fire department, or incorporated voluntary ambulance service who was
killed in the line of duty;
B. Such deceased volunteer had been an enrolled member
for at least five years; and
C. Such deceased volunteer had been receiving the exemption
prior to his or her death.