Type or print legibly, the registrant's last name, first name, middle initial, date of birth, gender and Social Security Number. Type or print legibly, the registrant's last name, first name, middle initial, date of birth, and Social Security Number.Certificate of Fitness Application​​ COF applications for exam must be completed and paid online. The money order or check must be made payable to New York City Police Department. The Queens County Clerk provides Indexing and Certification of Corporation filed in this office. In order to qualify for a Professional Certificate, the applicant must complete three years (540 days) of acceptable experience. Please fill out the candidate information portion of the program verification form. You will need to complete an OT 37 Verification of Paid Experience Form and submit to your Human Resource Director. Extensions are available for Adolescent Education certificate holders and Childhood Education certificate holders.