(a) the applicant resides in the city, town, village or school district which is served by such incorporated volunteer fire company or fire department or incorporated voluntary ambulance service;
(b) the property is the primary residence of the applicant;
(c) the property is used exclusively for residential purposes; provided however, that in the event any portion of such property is not used exclusively for the applicant's residence but is used for other purposes, such portion shall be subject to taxation and the remaining portion only shall be entitled to the exemption provided by this section; and
(d) the applicant has been certified by the authority having jurisdiction for the incorporated volunteer fire company or fire department as an enrolled member of such incorporated volunteer fire company or fire department for at least five years or the applicant has been certified by the authority having jurisdiction for the incorporated voluntary ambulance service as an enrolled member of such incorporated voluntary ambulance service for at least five years. It shall be the duty and responsibility of the municipality which adopts a local law, ordinance or resolution pursuant to this section to determine the procedure for certification. 3. Any enrolled member of an incorporated volunteer fire company, fire department or incorporated voluntary ambulance service who accrues more than twenty years of active service and is so certified by the authority having jurisdiction for the incorporated volunteer fire company, fire department or incorporated voluntary ambulance service, shall be granted the ten percent exemption as authorized by this section for the remainder of his or her life as long as his or her primary residence is located within such county provided that the governing body of a city, village, town or county, after a public hearing, adopts a local law, ordinance or resolution providing therefor. 4. Application for such exemption shall be filed with the assessor or other agency, department or office designated by the municipality offering such exemption on or before the taxable status date on a form prescribed by the commissioner. 5. No applicant who is a volunteer firefighter or volunteer ambulance worker who by reason of such status is receiving any benefit under the provisions of this article on the effective date of this section shall suffer any diminution of such benefit due to the receipt of a tax exemption provided pursuant to the provisions of this section. * NB There are 4 § 466-d's