Tax Law, § 659

If the amount of a taxpayer's Federal taxable income, Federal items of tax preference or total taxable amount or ordinary income portion of a lump sum distribution, or the amount of a taxpayer's Federal credit for employment-related expenses is changed or corrected by the United States Internal Revenue Service or other competent authority, or as a result of a renegotiation of a contract or subcontract with the United States or the amount an employer is required to deduct and withhold from wages for Federal income tax withholding purposes is changed or corrected by such service or authority or if a taxpayer's claim for credit or refund of Federal income tax is disallowed in whole or in part, the taxpayer or employer must report such change or correction in Federal taxable income, Federal items of tax preference, total taxable amount or ordinary income portion of a lump sum distribution, Federal credit for employment-related expenses or Federal income tax withholding or such disallowance of the claim for credit or refund of Federal income tax to the Tax Commission within 90 days after the final determination of such change, correction, renegotiation or disallowance and shall concede the accuracy thereof or state wherein it is erroneous. Such report may be required at any other time if the Tax Commission deems it necessary.