Reasonable period of time. However, regardless of the facts and circumstances of your situation, actions that take place within the time specified in the following list will be treated as taking place within a reasonable period of time. You receive an advance within 30 days of the time you have an expense. You adequately account for your expenses within 60 days after they were paid or incurred. You return any excess reimbursement within 120 days after the expense was paid or incurred.
Employee meets accountable plan rules.
If for all reimbursements you meet the three rules for an accountable plan, your employer should not include any reimbursements of allowable expenses in your income in box 1 of your Form W-2. Instead, your employer should include the reimbursements in box 13 of your Form W-2. You lived in Boston and accepted a job in Atlanta. Under an accountable plan, your employer reimbursed you for your actual traveling expenses from Boston to Atlanta and the cost of moving your furniture to Atlanta. Your employer will include the reimbursement in box 13 of your Form W-2.