Certificate of Fitness for the Supervision and Maintenance of a CNG Facility (C-99)

The City Fire Department offers a Certificate of Fitness for dispensing, supervising and maintaining a compressed natural gas (CNG) facility:

• This certificate is needed for a CNG motor fuel station.
• New York City wants people to switch from gasoline to CNG to cut down on carbon monoxide emissions.
• This certificate is only valid for the person to whom it is issued and can be used anywhere in New York City.

• Pass the written exam: You need to pass a written exam to get this certificate. You must review the C-99 Notice of Exam and Study Materials (PDF)

• Apply in person: You must apply in person and bring these documents:

  • A completed Certificate of Fitness Application Form (PDF)
  • A letter of employment. You can use a Sample Employer Recommendation Letter (PDF) or a Sample Self-Employment Letter (PDF)
  • Two forms of ID. One must be a government-issued photo ID, like a driver's license or a passport

In-person applications:

• If you pass the test: You will get your certificate right away.
• If you do not pass the test: You will get a report that says you did not pass. To take the test again, you need to submit a new application and pay the fee.

• The New York City (NYC) Fire Code changes often: You must read and know the latest Study Materials

• You need to renew this certificate every three years:

  • The NYC Fire Department (FDNY) will send you a Renewal Notice 90 days before your certificate expires
  • This letter will have your certificate number, the expiration date and renewal fee
  • You must renew your certificate within 364 days of the expiration date. If your certificate is more than one year past its expiration date, you will need to apply again
  • FDNY may ask you to take a re-exam when you renew
  • No certificate will be renewed without the required form or a retake of the exam

• To change your mailing address, submit the following in person or by mail to the NYC Fire Department (FDNY), Cashier's Unit, 9 MetroTech Center, Brooklyn, NY 11201:

  • A letter requesting the change of mailing address
  • A copy of your certificate with the old address
  • A personal check or money order for $5.00 made payable to the New York City Fire Department

• To change your work location, submit the following in person or by mail to the NYC Fire Department (FDNY), Cashier's Unit, 9 MetroTech Center, Brooklyn, NY 11201:

  • A letter from your current employer on company letterhead confirming your employment and your new work location. If you are self-employed, include a letter requesting a change to your work location
  • A copy of your certificate with the old address
  • A personal check or money order for $5.00 made payable to the New York City Fire Department

• To request a replacement certificate, submit the following in person or by mail to the NYC Fire Department (FDNY), Cashier's Unit, 9 MetroTech Center, Brooklyn, NY 11201:

  • A government-issued photo ID (like a driver's license or a passport). The name on the ID must match the name on the certificate
  • Your Social Security number (SSN)
  • Your mailing address
  • A personal check or money order for $5.00 made payable to the New York City Fire Department

• Visit the Public Certification Unit: Go to the Public Certification Unit with your application form and documents. No appointment is needed

• Submit your application: Hand in your completed application form and documents

• Pay the application fee: The fee is $25. You can pay by:

  • Cash
  • Credit card (American Express, Discover, Mastercard or Visa)
  • Debit card (Mastercard or Visa)
  • Personal or company check made payable to the New York City Fire Department
  • Money order made payable to the New York City Fire Department

• Note:

  • A 2 percent convenience fee applies to all credit card payments

  • The application fee is non-refundable

  • City employees may request a fee exemption by submitting a copy of their employee ID and a letter from their city agency

  • The letter must be on official letterhead confirming their employment and that the Certificate of Fitness will be used for their work-related tasks

• Take the exam: You will take the exam after submitting your application and paying the fee

• Get your certificate: If you pass the exam, you will get your Certificate of Fitness right away. If you fail, you will need to submit a new application, pay the fee again and retake the exam

Contact information

NYC Fire Department (FDNY)
Public Certification Unit
9 MetroTech Center, 1st Floor
Brooklyn, NY 11201
Hours: Open Monday to Friday, 8:00 a.m. to 2:30 p.m. They are closed on public holidays.

• If you are an individual, have your 12-digit Certificate of Fitness Access ID:

  • This is on your Renewal Notice

  • If you do not have your Renewal Notice, your Access ID is your 8-digit Certificate of Fitness number and the last four digits of your SSN

  • If you are renewing for a company's employees, the company must be approved by FDNY and have an 8-digit Company Code. To request approval, email pubrenew@fdny.nyc.gov

• Pay the renewal fee: The fee is $15. You can pay by:

  • Credit card (American Express, Discover, Mastercard or Visa)
  • Debit card (Mastercard or Visa)
  • E-Check

• If you renew 90 days to one year after the expiration date:

  • You will pay a $25 penalty plus the renewal fee

  • A 2.49 percent convenience fee will be applied to all credit card payments

  • The renewal fee is non-refundable. You cannot request a fee exemption if you renew online

• If all the requirements are met: You will get your certificate within 10 days

• To renew your certificate: Select Renew Online. If you are an individual, you can only renew your own certificate

• Pay the renewal fee: The fee is $15. You can pay by:

  • Cash
  • Credit card (American Express, Discover, Mastercard or Visa)
  • Debit card (Mastercard or Visa)
  • Personal or company check made payable to the New York City Fire Department
  • Money order made payable to the New York City Fire Department

• If you renew 90 days to one year after the expiration date:

  • You will pay a $25 penalty plus the renewal fee

  • A 2.49 percent convenience fee will be applied to all credit card payments

  • The renewal fee is non-refundable

  • City employees may request a fee exemption if they submit a copy of their employee ID and a letter from their city agency

  • The letter must be on official letterhead to confirm their employment and that the Certificate of Fitness will be used as part of their work-related tasks

• Submit your Renewal Notice: If you did not receive a Renewal Notice, submit a copy of your certificate. Also, submit your fee payment and other documents to:
  
  NYC Fire Department (FDNY)
  Cashier's Unit
  9 MetroTech Center, 1st Floor
  Brooklyn, NY 11201
  Hours: Open Monday to Friday, 8:00 a.m. to 2:30 p.m. They are closed on public holidays

• If all the requirements are met: You will get your certificate right away

• Pay the renewal fee: The fee is $15. You can pay by:

  • Personal or company check made payable to the New York City Fire Department
  • Money order made payable to the New York City Fire Department

• If you renew 90 days to one year after the expiration date:

  • You will pay a $25 penalty plus the renewal fee

  • The renewal fee is non-refundable

  • City employees may request a fee exemption if they mail a copy of their employee ID and a letter from their city agency

  • The letter must be on official letterhead to confirm their employment and that the Certificate of Fitness will be used as part of their work-related tasks

• Mail your Renewal Notice: If you did not receive a Renewal Notice, submit a copy of your certificate. Also, submit your fee payment and other documents to:
  
  NYC Fire Department (FDNY)
  Cashier's Unit
  9 MetroTech Center, 1st Floor
  Brooklyn, NY 11201

• If all the requirements are met: You will get your certificate within four to six weeks