N.Y. General Business Law § 182
A nurses' registry shall send out to practice nursing only persons duly licensed pursuant to article one hundred thirty-nine of the education law as a registered professional nurse or licensed practical nurse. Every nurses' registry, before sending a person out to practice nursing, shall investigate such person's educational qualifications and verify such person's licensure and current registration. At least two current written references shall be required of such person. The record of such investigation and verification shall be kept on file in the registry. Every nurses' registry that sends out any such person shall at such time give to such person and send to the employer of such person a card stating (1) such person's name, address and salary, (2) whether such person is a registered professional nurse or licensed practical nurse,