A USCIS Q&A offers tips on preparing a Form I-140 petition package, responding to the following questions:

  • What steps can I take to ensure that my Form I-140 petition will not be rejected by USCIS?
  • What if an incorrect visa category is selected in Part 2 of the Form I-140?
  • What if the petitioner wants to request consideration of multiple visa categories on behalf of an alien beneficiary?
  • What special steps should be taken to file a Form I-140 petition that requires a DOL-approved labor certification?
  • When filing my Form I-140, how should I organize the evidence with the petition?
  • How can a petitioner request the withdrawal of a Form I-140 petition?
  • Who is eligible to submit a request to change employers under INA 204(j), which is commonly know as "porting" under INA 204(j)?
  • How can an alien beneficiary submit a request to change employers under INA 204(j)?
  • May an alien beneficiary request to "port" to a different employer or job under INA 204(j) if his or her Form I-140 petition is still pending?
  • Where do I mail Form I-140 petition withdrawal requests and AC21 106(c) portability requests?
  • Various questions on the topic of I-140 processing by a successor in interest (SII)