Travel Guidelines

Please read as the Mathematical Biosciences Institute must follow regulations of both The Ohio State University as well as The National Science Foundation. If guidelines are not followed as directed, you risk not being reimbursed for your travel.


  • Economy class airfare issued by a US air carrier, no business or first class flights can be reimbursed from our federal funds.
  • Ticket must be purchased directly by the traveler and not the traveler's institution.
  • If combining MBI travel with other business/personal travel, a comparable flight that is direct round trip from home to MBI must be provided for cost comparison, as well as a brief explanation of travel.

Rental Car:

  • Traveler must use one of OSU's preferred vendors and customer code (XZ38Y09)to receive reimbursement:
    • Enterprise Rent-A-Car:1-800-261-7331
      • When using website enter XZ38Y09 in "optional box: coupon, customer, or corporate number"
      • On the following page use "OHI" as the first 3 characters of company's name/PIN
    • National Car Rental: 1-877-222-9058
      • When using website please note, you must click "View Additional Fields before clicking “Reserve Now”
      • On the next page you enter XZ38Y09 in box labeled "Contract ID:"

Personal Mileage:

  • Personal auto mileage reimbursed at current federal rate ($0.56 per mile) up to the amount of a comparable flight from your departure point.


  • Some other transportation costs such as train/bus, baggage fees, taxis, tolls, parking, etc. are permissible to submit with your travel reimbursement


  • MBI does not provide meal per diem during travel and will not reimburse any meal receipts submitted.