# FX-SCH-A-000219

Source: https://xmlvalid.com/rules/FX-SCH-A-000219

> The allowed maximum number of decimals for the Invoice line allowance base amount (BT-137) is 2.

- Level: error
- Rule sets: Factur-X BASIC rules 1.09
- Context: `//ram:SpecifiedLineTradeSettlement/ram:SpecifiedTradeAllowanceCharge/ram:ChargeIndicator[udt:Indicator = 'false']`
- Test: `string-length(substring-after(../ram:BasisAmount,'.'))<=2`

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