Rule 9406. Proof. No person shall receive said certificate from any committee and no person shall be admitted to practice as an attorney and counselor at law in the courts of this state, unless he shall furnish satisfactory proof to the effect: 1. that he supports the constitutions of the United States and of the state of New York; and 2. that he has complied with all the requirements of the applicable statutes of this state, the applicable rules of the court of appeals and the applicable rules of the appellate division in which his application is pending, relating to the admission to practice as an attorney and counselor at law.