Can an employer (the direct supervisor) extend an employees 30 day notice, by 3 weeks, when the position the employee is transferring to is ...

Question

Can an employer (the direct supervisor) extend an employees 30 day notice, by 3 weeks, when the position the employee is transferring to is under the same company ownership, but another division.

Answer

If you mean notice of this transfer, I see no apparent reason as to why not.