Legally its 3 months validity to finalize the residence permission stuff ... but don't worry incase something happened from the police side or something its the company problem not yours ... the police or any other governmental agency understands that the company is who go through the procedures for their employees ...

and you may also understand that some procedures are slow such the medical commission is a a bit slow due to some system issues to get an appointment if its not from trying to access the website it will be from the appointments usually are after 1 month