VEXP120030 - Fraud: air waybill modulus check

(This content has been withheld because of exemptions in the Freedom of Information Act 2000)

This is an IATA (International Air Transport Association) check which we can use.

Example of how to perform a modulus check

Air waybill number: 125 - 6445 137 6

125 = IATA airline code (in this case British Airways)

64451376 = unique air waybill number

6 = the last number is the check digit

  • Divide first seven digits of air waybill number by 7 (6445137 ÷ 7 = 920733.85)
  • Ignore decimal and multiply by 7 (920733 x 7 = 6445131)
  • deduct this figure from the unique air waybill number (6445137 – 6445131 = 6 (the check digit))
  • Check is satisfactory.