1. Definitions. As used in this section, the following terms shall have the following meanings:

1. (a) "Municipality" means any town, city or village except for a city having more than one million inhabitants.
2. (b) "Applicant" means any person obligated to pay real property taxes on the property for which an exemption from real property taxes under this section is sought.
3. (c) "Commercial construction work" means the modernization, rehabilitation, expansion or other improvement of the portion of mixed-use property to be used for commercial purposes.
4. (d) "Commercial purpose or use" means (i) the buying, selling or otherwise providing of goods or services directly to the public; or (ii) a non-residential lawful use including, but not limited to, an office, hotel, retail store, brewery, distillery, restaurant, cafe, bar or tavern, gymnasium, theater, or entertainment venue which employs or is anticipated to employ a minimum of five employees primarily at the mixed-use property for which an exemption under this section is sought.
5. (e) "Mixed-use property" means property on which will exist, after completion of residential construction work or a combination of residential construction work and commercial construction work, a building or structure used for both residential and commercial purposes of which, at least forty percent of the building or structure's square footage is devoted to residential purposes or use and at least fifteen percent of the building or structure's square footage is devoted to commercial purposes or use.
6. (f) "Person" means an individual, corporation, limited liability company, partnership, association, agency, trust, estate, foreign or domestic government or subdivision thereof, or other entity.
7. (g) "Residential construction work" means the creation, modernization, rehabilitation, expansion or other improvement of dwelling units, other than dwelling units in a hotel, in the portion of mixed-use property to be used for residential purposes.
8. (h) "Story above grade" means any story having its finished floor surface entirely above grade.
9. (i) "Grade" shall mean the finished ground level adjoining the building at all exterior walls.

4.

1. (a)

   1. (i) For a period of twelve years from the approval of an application, the increase in assessed value of such property attributable to such conversion shall be exempt as provided in subparagraph (ii) of this paragraph. Such exemption shall be computed with respect to the "exemption base". The exemption base shall be determined for each year in which there is an increase in assessed value so attributable from that of the previous year's assessed value.
   2. (ii) The following table shall illustrate the computation of the tax exemption: Year of exemption Percentage of exemption 1 through 8 100% of exemption base 9 80% of exemption base 10 60% of exemption base 11 40% of exemption base 12 20% of exemption base

2. (b) No such exemption shall be granted unless:

   1. (i) such conversion was commenced subsequent to the date on which the municipality's local law took effect; and
   2. (ii) the cost of such conversion exceeds the sum of ten thousand dollars or such greater amount as may be specified by local law.
3. (c) For purposes of this section the term conversion shall not include ordinary maintenance and repairs.
4. (d) No such exemption shall be granted concurrent with or subsequent to any other real property tax exemption granted to the same improvements to real property, except, where during the period of such previous exemption, payments in lieu of taxes or other payments were made to the local government in an amount that would have been equal to or greater than the amount of real property taxes that would have been paid on such improvements had such property been granted an exemption pursuant to this section. In such case, an exemption shall be granted for a number of years equal to the twelve year exemption granted pursuant to this section less the number of years the property would have been previously exempt from real property taxes.

7.

1. (a) During the period of exemption pursuant to this section, the owner shall submit an annual certification to the assessor attesting that the property complies with the provisions or requirements of this section and any additional provisions or requirements as may be provided by local law. Failure to submit such certification shall result in revocation of benefits. Such certification shall include at a minimum the following:

   1. (i) the types of residential use and the total above-grade square footage and below-grade square footage of such use;
   2. (ii) the types of commercial use and the total above-grade square footage and below-grade square footage of such use;
   3. (iii) attestation that the portion of the building used for commercial purposes is currently, as demonstrated by documentation submitted by the applicant, used as such or is in good faith contemplated to be used as such;
   4. (iv) the specific address of the entrance through which the public enters the portion of the building used for commercial purposes;
   5. (v) if the portion of the building intended to be used for commercial purposes is not currently in active use for such purposes and open to the public, the reasons why it is not currently being used for commercial purposes and open to the public; and
   6. (vi) all such other information required by the municipality.
2. (b) If the assessor is satisfied that the applicant continues to be entitled to the exemption pursuant to this section, the assessor shall approve the certification and the real property shall remain exempt from taxation and special ad valorem levies for another year as provided in this section.

8.

1. (a) The benefits of this section shall be revoked upon a finding by the assessor that:

   1. (i) the application for benefits hereunder or the annual certification required hereunder contains a false statement or false information as to a material matter or omits a material matter;
   2. (ii) the eligible real property fails to comply with one or more of the provisions or requirements of this section or any provisions or requirements provided by local law; or
   3. (iii) the portion of the property devoted to commercial purposes has not been in active use for commercial purposes and open to the public for three consecutive years.
2. (b) Such revocation shall require the repayment of any benefits previously granted pursuant to this section for any year during which the property was non-compliant or the application or annual certification contained a false statement or false information as to a material matter or omitted a material matter.
3. (c) No benefits may be revoked unless the applicant has been given thirty days' notice of such revocation and has been given reasonable notice to cure any failure to comply with the provisions of requirements of this section.