Pay.Gov Instructions

All fees for USCG credentials must be paid online through a User Fee Account.  The site accepts payments by credit or debit card or by electronic check. If you are only applying for your freshman credential, you will follow the instructions Cadet Deck/Engine Merchant Mariner Credential and pay a total of $140.00.  Your MMC is a requirement for commercial shipping.  In the event you have a lower level MMC, you must apply for the Cadet Deck/Engine endorsement at the same fee.  If you are a senior applying to license, follow the instructions for Third Mate and Third Assistant Engineer senior licensing and pay a total $ 255.00.

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Student Pay.gov Instructions


Pay.gov Instructions for Cadet Deck/Engine Merchant Mariner Credential $140.00 fee

Go to the www.Pay.gov website: 

  • There are (6) boxes located in the middle of the page:
  • Go to the box that titled “United States Coast Guard” and click on "Pay it right here", and brings you to
  • USCG Merchant Mariner User Fee Payment
  • Click on "Continue to the form" (complete each field with your personal information)
  • Complete the Agency Form – Applicant Mariner Details with your personal information (do not use dashes with your soc.sec.#)
  • Select on the "Regional Exam Center" where you will, or have sent your application, select “Boston, MA”

Under “select what you need to pay for” select from each drop down menu:

  • Credential Category:  Select Rating Endorsement Only
  • Type of Endorsement:  Select Rating Original Endorsement.  This a $95.00 fee.
  • Examination/Testing Fees:  Select I will pay my exam fees later: $00.00 (you will not be testing now-not until senior year)
  • Issuance Fees:   Select Pay MMC Issuance Fee now $45.00
  • Click on "Continue"
  • Your total payment is $140.00. 
  • Continue to the payment page and choose your method of payment.  (debit, credit or bank account)
  • Click on “Next”
  • Complete required information and click on “Review & Submit Payment”.  Your cadet credential fee is $ 140.00. 
  • You will be provided a summary, if the information is correct, click “Submit Payment”

Print out the receipt of the payment.   Provide (1) copy of the receipt with your MMC application packet - it will be the only proof of payment you will have.  You will need the Pay.gov Tracking number for this transaction to receive your credentials from the USCG.  If there is a problem printing your receipt, email it to CDR Huhnke at mhuhnke@maritime.edu


Instructions for Third Mate and Third Assistant Engineer License Application $ 255.00 fee payment

Go to www.Pay.gov website:

There are (6) boxes in the middle of the page:

  • Go to the box, “United States Coast Guard” and click on Pay it right here, brings you to the page
  • USCG Merchant Mariner User Fee Payment
  • Click the button, "Continue to the Form"
  • Complete the Agency Form – Applicant/Mariner Details with your personal information
  • Note:  Applicant social security number should be entered without dashes
  • On the “Regional Exam Center” where you will, or have sent your application, select “Boston, MA”

Under ““select what you need to pay for”, select the following from the drop down menu:

  • Credential Category:  Select Officer Endorsements and Ratings Endorsements
  • Type of Endorsement:  Select Original Officer Endorsement
  • Additional Endorsements:  Rating Raise in Grade or upgrade $100.00
  • Examination/Testing Fees:  Select Officer Upper Level Exam Fee $110.00
  • Issuance Fee:  Select Pay MMC Issuance Fee now $45.00  (*You must pay now/you do not have a choice).
  • Click "Continue"
  • Your total payment is $255.00
  • Continue to the payment page and choose your method of payment. (debit, credit or bank account)

Click on “Next”
Complete required information and click on “Review & Submit Payment”
You will be provided a summary, if the information is correct, click “Submit Payment” 

Print out the payment receipt to submit with your application.  This receipt copy will be the only proof of payment you will have.  You will need the Pay.gov Tracking number for this transaction to receive your credentials from the USCG.  A copy must be submitted with your License application.  If there is a problem printing your receipt, email it to CDR Huhnke at mhuhnke@maritime.edu