New York Laws
Title 2-C - Tax Exemption for Certain Industrial and Commercial Properties in a City of One Million or More Persons
489-HHH - Extension of Time for Completion.

ยง 489-hhh. Extension of time for completion. Where an applicant has
received a certificate of eligibility but has not completed or will not
be able to complete the construction or reconstruction work within
thirty-six months, the board shall, upon application, extend to
forty-eight months, from the time of issuance of such certificate, the
time for completion of the construction or reconstruction work; provided
the applicant has completed not less than two-thirds of the work as
specified in the certified plans previously filed with the application
at the time of such application for extension.