All travel expenses, regardless of the traveler’s affiliation with UMBC, must be submitted through the official expense report process. Expense reports should be submitted within ten (10) business days following the conclusion of travel, and no later than sixty (60) calendar days. Reports submitted after 60 days will be treated as taxable income to the traveler, in accordance with IRS regulations.
§ 1.274-5(c)(2)(iii)(B). Reimbursement of any expenses not substantiated within a reasonable period of time must be treated as made under a nonaccountable plan, and treated as wages. Section 1.62-2(g)(2)(i) provides a fixed date method safe harbor for purposes of satisfying the “reasonable period of time” requirement.