The American Immigration Lawyers Association (AILA) has confirmed that USCIS will continue to grant TN extensions for only up to a one year period for all I-129 petitions received before October 16, 2008 (the date USCIS announced the expansion of TN status from one to three years).
USCIS will only grant TN extensions for up to three year periods for I-129 petitions received on or after October 16, 2008.
USCIS cannot grant the three year period of TN status unless the I-129 petition paperwork specifically requests a three year extension.
- From AILA InfoNet Doc. No. 08102261 (posted Oct. 22, 2008).