USCIS Will Accept Only the New Version of Form I-129 Beginning May 1

Beginning Friday, May 1, 2015 USCIS will accept only the new version (edition date: 10/23/14) of Form I-129, Petition for a Nonimmigrant Worker. The edition date is printed at the bottom of every page. We will reject previous editions of this form if you submit them on or after May 1.

We issued the new version in January and have continued to accept old versions during the transition period, which ends Thursday, April 30.

Source: uscis