1. You can start working for the new employer as soon as the petition has been sent out. For example, as soon as you have a FedEx/UPS tracking number for the petition, you can start the new job (even before receiving a Notice of Receipt).
2. You get a Notice of Receipt (form I-797C) usually in less than a week (and usually in about 3 days), if the petition was mailed in with overnight shipping.
3. Now receiving a Notice of Approval (form I-797A or I-797B) -- i.e. the actual adjudication of the petition, typically takes a couple of months with regular processing, but only 15 business days with premium processing.
1. You can start working for the new employer as soon as the petition has been sent out. For example, as soon as you have a FedEx/UPS tracking number for the petition, you can start the new job (even before receiving a Notice of Receipt).
2. You get a Notice of Receipt (form I-797C) usually in less than a week (and usually in about 3 days), if the petition was mailed in with overnight shipping.
3. Now receiving a Notice of Approval (form I-797A or I-797B) -- i.e. the actual adjudication of the petition, typically takes a couple of months with regular processing, but only 15 business days with premium processing.