Used mainly in Adobe Photoshop as the default format for saving data, a file with the .PSD file extension is called an Adobe Photoshop Document file. Though some PSD files contain just one single image and nothing else, the common use for a PSD file includes much more than just storing an image file.
For each H1B visa application, the USCIS assigns a unique 13 digit alphanumeric number. There are 4 USCIS service centers to handle H1B applications. The first 3 character of your receipt signifies the particular service center, where the application is being processed.They can be any one of WAC, EAC, SRC, and LIN.ollowing are the USCIS service center telephone numbers to find out your H1B visa status. Call the appropriate number and keep your receipt number ready in order to use this service.
You can apply for an H1B visa up to 90 days before the petition start date listed on the form I-797, Notice of Action. However, you cannot enter the US earlier than 10 days prior to the start date listed on the I-797 unless you are already working on an H1B visa for the same petitioner.n general, if you have a new petition with a different employer, you need to apply for a new visa. In certain situations (such as corporate restructuring), it may be possible to travel back with your current I-797 and visa. Further information can be found through the U.S. Customs and Border Protection Info Center.