A waiver denies the grounds of inadmissibility.  If you are applying for a Green Card or a non immigrant visa and you are inadmissible to the United States, Immigration is going to require you to apply for a waiver.

Provisional waivers are a way to alleviate families having to be separated for a long period of time, leaving the United States without knowing whether or not they can come back.  The provisional waiver allows you to go through the process inside the United States and get a decision on the waiver before you leave.  If the […]

 You need an immediate relative petition filed on your behalf and you must demonstrate extreme hardship either to a U.S. citizen or lawful permanent resident, parent or spouse.  Once the I-130 is approved, the waiver kicks in and you have to demonstrate hardship either to a parent or spouse.

 The only qualifying relative who is eligible to demonstrate extreme hardship when applying for a waiver is a U.S. citizen or lawful permanent resident, parent or spouse.  If your petition is based on a sibling petition and you have no other family in the United States, you are not going to be able to demonstrate extreme hardship. […]

You have to leave the United States at some point.  You can do the whole process in the United States and wait here until your application is approved before you go home.  You will know when you need to leave the United States.

You must demonstrate, with detailed documentation, how it will affect your family if you have to leave the United States and they stay behind, and how will it affect your family if they leave the United States and go with you.