(b) No eligible business shall be authorized to receive a credit under any local law enacted pursuant to this article until the premises with respect to which it is claiming the credit meet the requirements in the definition of eligible premises and until it has obtained a certification of eligibility from the mayor of such city or an agency designated by such mayor, and an annual certification from such mayor or an agency designated by such mayor as to the number of eligible aggregate employment shares maintained by such eligible business that may qualify for obtaining a tax credit for the eligible business' taxable year. Any written documentation submitted to such mayor or such agency or agencies in order to obtain any such certification shall be deemed a written instrument for purposes of section 175.00 of the penal law. Such local law may provide for application fees to be determined by such mayor or such agency or agencies. No such certification of eligibility shall be issued under any local law enacted pursuant to this article to an eligible business on or after July first, two thousand twenty unless:

(1) prior to such date such business has purchased, leased or entered into a contract to purchase or lease particular premises or a parcel on which will be constructed such premises or already owned such premises or parcel;

(2) prior to such date improvements have been commenced on such premises or parcel, which improvements will meet the requirements of subdivision (e) of section twenty-five-y of this article relating to expenditures for improvements;

(3) prior to such date such business submits a preliminary application for a certification of eligibility to such mayor or such agency or agencies with respect to a proposed relocation to such particular premises; and

(4) such business relocates to such particular premises not later than thirty-six months or, in a case in which the expenditures made for the improvements specified in paragraph two of this subdivision are in excess of fifty million dollars within seventy-two months from the date of submission of such preliminary application.

(c) The mayor of such city or an agency or agencies designated by such mayor shall be authorized to promulgate rules and regulations to administer and assure compliance with the provisions of this article, including but not limited to rules and regulations to provide for alternative methods to measure employment shares in instances where an eligible business is not required by law to maintain weekly records of full-time work weeks and part-time work weeks of employees, partners or sole proprietors as defined in subdivision (g) of section twenty-five-y of this article.

(d) An eligible business other than a utility company subject to the supervision of the department of public service shall not be authorized to receive a credit under a local law enacted pursuant to this article against a gross receipts tax imposed under a local law enacted pursuant to subdivision (a) of section twelve hundred one of the tax law, unless such eligible business elects to take the credit authorized by this section against the tax imposed under such local law on an application filed with respect to the first relocation of such business that qualifies or will qualify under a local law enacted pursuant to this article, with the mayor of such city or the agency designated by such mayor pursuant to subdivision (b) of this section. The election authorized by this subdivision may not be withdrawn after the issuance of such certification of eligibility. No taxpayer that has previously received a certification of eligibility to receive the credit authorized by this section against any tax imposed under a local law enacted pursuant to part two or three of section one, or section two, of chapter seven hundred seventy-two of the laws of nineteen hundred sixty-six may make the election authorized by this subdivision. No taxpayer that makes the election provided in this subdivision shall be authorized to take such credit against any tax imposed under a local law enacted pursuant to part two or three of section one, or section two, of chapter seven hundred seventy-two of the laws of nineteen hundred sixty-six.

(e) Notwithstanding any other provisions of this article, an eligible business that has obtained pursuant to subdivision (b) of this section a certification of eligibility for a relocation to particular eligible premises may apply to the mayor of such city or an agency designated by such mayor to have premises in a building, other than the building in which such particular eligible premises are located, certified as designated additional or replacement premises as defined in subdivision (q) of section twenty-five-y of this article. After the certification provided for in this subdivision has been obtained, any aggregate employment shares maintained by the eligible business in such premises shall be treated as if such employment shares were maintained in the particular eligible premises to which the eligible business relocated. No such certification shall be issued after the end of the period provided for in subdivision (a) of this section during which the credit may be taken with regard to the relocation to such particular eligible premises, and the issuance of such certification shall not extend such period. Provided however, (i) no premises shall be certified as designated additional or replacement premises if the eligible business maintained employment shares in such premises prior to the application for certification provided for in this subdivision, (ii) no premises shall be certified as designated additional or replacement premises unless such premises meet the requirements for eligible premises in subdivision (e) of section twenty-five-y of this article, and (iii) if the particular premises to which the eligible business relocated are in a revitalization zone, no premises shall be certified as designated additional or replacement premises with regard to such relocation unless such designated additional or replacement premises are located in a revitalization zone.

(f)(1)(i) Notwithstanding the provisions of subdivision (i) of section twenty-five-y of this article, in the case of an eligible business meeting the criteria in subparagraphs (ii) and (iii) of this paragraph, the mayor or his or her designee, in his or her discretion, may for any taxable year in which such business is eligible to receive the credit provided for in this section, determine the number of eligible aggregate employment shares as provided in paragraph two of this subdivision, and such number shall be deemed to be the number of eligible aggregate employment shares determined pursuant to such subdivision (i) of section twenty-five-y for the purpose of attributing shares pursuant to subdivision (o) of section twenty-five-y of this article to relocations as defined in subdivision (j) of such section twenty-five-y occurring after July first, two thousand three:

(ii) in the case of a relocation before July first, two thousand five, in the taxable year prior to its first relocation after July first, two thousand three (such prior year being hereafter referred to as the "base year"), such eligible business maintained more than one hundred aggregate employment shares in the eligible Lower Manhattan area as defined in subdivision (f) of section twenty-five-dd of this chapter, provided that in the case of a relocation after June thirtieth, two thousand five, in the taxable year prior to its first relocation after such date (such prior year being hereafter referred to as the "base year"), such eligible business maintained one or more aggregate employment shares in such eligible Lower Manhattan area, and

(iii) in the case of a relocation before July first, two thousand five, in the taxable year subsequent to the base year for which the determination of eligible aggregate employment shares is being made, the number of aggregate employment shares in the eligible Lower Manhattan area maintained by the eligible business is less than the number of aggregate employment shares it maintained in such area in the base year reduced by one hundred, provided that in the case of a relocation after June thirtieth, two thousand five, in the taxable year subsequent to the base year for which the determination of eligible aggregate employment shares is being made, the number of aggregate employment shares in the eligible Lower Manhattan area maintained by the eligible business is less than the number of aggregate employment shares it maintained in such area in the base year.

(2) The number of eligible aggregate employment shares determined under this paragraph shall be the number of eligible aggregate employment shares determined pursuant to subdivision (i) of section twenty-five-y of this article without regard to paragraphs one and three of such subdivision (i), less the reduction amount provided for in paragraph three of this subdivision.

(3) For any taxable year, the reduction amount shall be the excess of (i) the number of aggregate employment shares maintained by the eligible business in the eligible Lower Manhattan area in the base year, over (ii) the number of aggregate employment shares maintained by the eligible business in the eligible Lower Manhattan area in the taxable year.

(4) Notwithstanding anything herein to the contrary, the number of eligible aggregate employment shares may be determined pursuant to paragraph two of this subdivision only if the number of such shares determined pursuant to such paragraph two is less than the number of such shares determined pursuant to subdivision (i) of section twenty-five-y of this article.

(5) The mayor, or his or her designee, shall exercise the discretion provided for in paragraph one of this subdivision if he or she determines it to be in the best interests of the city, taking into account whether the credit provided for in this section caused the reduction in the number of jobs maintained by the eligible business in the eligible Lower Manhattan area.