We often hear various time limits imposed by CBP officers on when a TN visa renewal application may be filed at the border. In a recent meeting with the Buffalo, NY USCBP Field Office, the Upstate NY AILA chapter informed CBP that some individuals were not allowed to file a TN visa renewal application because their TN status still had more than 30 days of validity. The Buffalo, NY office stated that there was no time limit on when someone can apply for renewal of a TN. Upstate NY AILA / Buffalo USCBP Field Office Liaison Meeting (April 29, 2015). However, the Buffalo office noted that any remaining time on the TN would be lost, and could not be added onto the validity period of the new application. Id.