N.Y. Comp. Codes R. & Regs. tit. 12 § 473.2 : DEPARTMENT OF LABOR — Division Of Unemployment Insurance — Unemployment Insurance — Regulations of the Industrial Commissioner — Benefits And Claims — Certifying by benefit claimants

(a) Each claimant shall report and certify to his/her unemployment during the seven-day period for such certification as specified by the commissioner, following a statutory week in which the claimant experienced more than three days of total unemployment and has not earned more than the amount set forth in section 523 of the Unemployment Insurance Law and at such other times as the commissioner may direct.
(b) Such certifications shall be made by electronic certification unless permission or instructions are given to certify by mail or in person or by other means the commissioner deems appropriate.
(c) A claimant who fails to certify for a benefit period within the seven-day period for such certification shall not be eligible for that benefit period and claimant shall not be eligible for future benefit periods until the claimant files a subsequent claim in accordance with section 473.1 of this Part.
(d) A claimant shall notify the department when certifying for unemployment insurance of any change of address and/or telephone number not later than the next time certification is required after the change has occurred.
(e) The failure to certify in compliance with this section may be excused by the commissioner upon proper presentation by the claimant of the facts and circumstances if it is shown to the commissioner's satisfaction that they constitute good cause.

N.Y. Comp. Codes R. & Regs. Tit. 12 § 473.2