The following licenses are issued for the holder's lifetime:
The following licenses are valid for a 5 year term:
These licenses may be renewed from ninety (90) days prior to the end of their term up until five years following expiration without having to re-take an examination. After the five-year grace period expires, applicants must retake the requisite written and/or telegraphy examination(s). An expired certificate is not valid for any radio operations.