VAT number algorithm calculator

If the Vat number is 223 4567 74

2 8= 16 2 7= 14 3 6= 18 4 5= 20 5 4= 20 6 3= 18 7 * 2= 14 Totals 120

Subtract 97 from the total sum until you have the last two digits of the VAT number.

120 – 97 = 23 – 97 = 74 the last two digits of the VAT number is 74.