The applicant shall apply for authorization to the Appellate Division of the Supreme Court in the department in which the applicant expects to be certified for admission by the New York State Board of Law Examiners pursuant to section 520.7(a) of the Rules of the Court of Appeals for the Admission of Attorneys and Counselors-at-Law (section 520.7[a] of this Title). The application shall be supported by an employer affidavit certifying understanding of this Part’s requirements and compliance therewith.