# FX-SCH-A-000054

Source: https://xmlvalid.com/rules/FX-SCH-A-000054

> The allowed maximum number of decimals for the VAT category tax amount (BT-117) is 2.

- Level: error
- Rule sets: Factur-X BASIC rules 1.09
- Context: `//ram:ApplicableHeaderTradeSettlement/ram:ApplicableTradeTax`
- Test: `string-length(substring-after(ram:CalculatedAmount,'.'))<=2`

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