N.Y. Comp. Codes R. & Regs. tit. 8, § 70.7
(3) A firm may register and perform services pursuant to this subdivision only if:
(iii) the services are performed by an individual who is licensed and in good standing as a certified public accountant of one or more states of the Unites States.
(b) Practice by certain out-of-state individuals.
(1) An individual who holds a certificate or license as a certified public accountant issued by another state, who is in good standing in the state where certified or licensed, and whose principal place of business is not in this State may practice public accountancy in this State without obtaining a license pursuant to section 7404 of the Education Law, if:
(5) Each certified public accountant who practices in this State pursuant to this section and each firm that employs such certified public accountant to provide services in New York consent to all of the following as a condition of the exercise of such practice privilege:
(6) In the event the license from the state of the certified public accountant's principal place of business is no longer valid or in good standing, or that the certified public accountant has had any final disciplinary action taken by the licensing or disciplinary authority of any other state concerning the practice of public accountancy that has resulted in any of the dispositions specified in subparagraph (i) or (ii) of this paragraph, the certified public accountant shall so notify the department, on a form prescribed by the department, and shall immediately cease offering to perform or performing such services in this State individually and on behalf of his or her firm, until he or she has received from the department written permission to do so:
(ii) other disciplinary action against his or her license that arises from:
(7) Any certified public accountant who, within the seven years immediately preceding the date on which he or she wishes to practice in New York, has been subject to any of the actions specified in subparagraph (i), (ii), (iii), or (iv) of this paragraph shall so notify the department, on a form prescribed by the department, and shall not practice public accountancy in this State pursuant to Education Law section 7406(2) and this section, until he or she has received from the department written permission to do so. In determining whether the certified public accountant shall be allowed to practice in this State, the department shall follow the procedure to determine whether an applicant for licensure is of good moral character. Anyone failing to provide the notice required by this paragraph shall be subject to the personal and subject matter jurisdiction and disciplinary authority of the Board of Regents as if the practice privilege is a license, and an individual with a practice privilege is a licensee, and may be deemed to be practicing in violation of Education Law section 6512:
(a) Practice by certain out-of-state firms.