Individuals holding or applying for certain FAA certificates, ratings, or authorizations who do not have a physical U.S. address on file with the FAA.

To receive official FAA correspondence, including enforcement actions, compliance requests, reexamination letters, and aircraft registration notices. 

• To act as a physical U.S. point of contact for the FAA, ensuring documents reach the correct person in a timely manner. 
  
   
• To promptly notify the certificate holder of received documents and provide copies to ensure they can meet critical deadlines and respond effectively.

Individuals who hold or apply for certain FAA certificates (under 14 CFR parts 47, 61, 63, 65, 67, or 107), have a foreign address as their FAA address of record, and do not have a valid U.S. physical address on file, must designate an agent. A valid U.S. physical address is located in a U.S. state, the District of Columbia, or a U.S. territory or possession, and excludes P.O. boxes and mail drop boxes

The FAA implemented this rule to address difficulties and delays in serving documents internationally, which involve complex treaties and laws. A U.S.-based agent ensures timely delivery of critical documents like enforcement actions and emergency orders, reduces administrative costs and delays, and provides consistent notification for all certificate holders.

After signing up  and registering for LNAV LLC as your agent of service you MUST  then advise the FAA USAS at https://usas.faa.gov/disclaimer; sign into your USAS Portal here you will use LNAV LLC as designated agent for service. Keeping FAA USAS up to-date is your responsibility and can not be completed by LNAV LLC