Answer: Immigration and is a fundamental part of Global Mobility. Moving an employee across borders to work the key element of any Global Mobility program and without effective Immigration processes this would not be possible. Immigration is what Global Mobility HR Professionals need to be aware of and always in tune with. You want to avoid having a situation where the employee gets to the airport and they're denied entry because they either don't have the proper visa or the proper paperwork in order to enter that country.
Source: HR Global Mobility GMJ Ambassadors Video Global Mobility & Immigration