A1: Yes, if the employee moved in 2017 and would have been able to deduct the expenses for the move if paid by the employee in 2017, the payment of those expenses by the employer after December 31, 2017 is excludable from income as a qualified moving expense reimbursement. Also, the amount is excludable from wages and compensation. For more details, see Notice 2018-75PDF.
A2: No, if the employee moved in 2017 and would have been able to deduct the expenses for the move if paid by the employee in 2017, the reimbursement of those expenses by an employer after December 31, 2017 is excludable from income as a qualified moving expense reimbursement. Also, the amount is excludable from wages and compensation. For more details, see Notice 2018-75PDF.
A3: No. As written in the 2018 Form W-2 instructions, Code P is only used to show excludable qualified moving expense reimbursements paid directly to a member of the U.S. Armed Forces. This exclusion for qualified moving expense reimbursements applies only to members of the U.S. Armed Forces on active duty who move per a military order and incident to a permanent change of station.
For more information, see the General Instructions for Forms W-2 and W-3.
A4: The employee can exclude payments or reimbursements from income as qualified moving expense reimbursements only to the extent that:
The employee would have been able to deduct them if paid by the employee in 2017, and
They’re for services provided or expenses incurred before January 1, 2018.
For example, if an employee moves household goods in 2017 but doesn’t travel to the new place of employment until 2018, the employee may exclude payment or reimbursement of the expenses for the movement of the goods but not the employee’s travel expenses.