It generates a code for a batch file. Batch files are files with the extension .bat which you can create with Notepad from Windows. Everytime you open the file it performs certain arctions like copying and deleting files and folders and even shutting down or rebooting the computer.
Most small businesses therefore do not issue checks with the length of time the check is valid printed on the face of the check. If your company writes a check, someone legally could attempt to cash it 10 months from now or in 18 months. Although banks can refuse to process checks that are over six months after the date on the check, rarely do the processors look at the date on the check.
Report Abuse. Unless otherwise marked, checks go stale 6 months from the date on the check. US Treasury checks are marked as valid for one year however if your state refund check has not such markings it went stale back in September. You'll have to return it to the state and ask to have it reissued. Source(s): Used to work in the banking industry.