You can extend your passport if ALL the following are true:
- The passport you are trying to extend was originally issued to be valid for a year or less.
- The passport was issued within the last year.
- You can submit the documentation which was missing at the time you were issued a 1 year passport.
- The passport does not specifically state in the back that it cannot be extended.
- You have the passport in your possession and it is not damaged.