It is the total value of Purchases and all other Inputs excluding any VAT.
Please note the following when you enter the amount:
1. It must be in a numeric format and can be positive, zero or negative.
2. It must be in whole pounds.
3. It must not exceed 13 digits, with the addition of a possible minus sign.
4. A thousand comma separator within the figure is not allowed.
e.g. the figure 1,234 is invalid. It should be entered as 1234 without the comma.