# CII-SR-471

Source: https://xmlvalid.com/rules/CII-SR-471

> Each Specified Trade Allowance Charge (BG-20)(BG-21) shall contain a VAT category code (BT-95).

- Level: error
- Rule sets: EN 16931 rules 1.3.16 (CII), EXTENDED-CTC-FR rules (CII) 1.4.0.04
- Context: `//ram:SpecifiedTradeAllowanceCharge`
- Test: `count(ram:RateApplicablePercent) <= 1`

> Each Specified Trade Allowance Charge (BG-20)(BG-21) shall contain a VAT category code (BT-95).

- Level: error
- Rule sets: Factur-X BASIC WL rules 1.09, Factur-X EN 16931 rules 1.09.2, Factur-X EXTENDED rules 1.09.2
- Context: `//ram:SpecifiedTradeAllowanceCharge`
- Test: `count(ram:CategoryTradeTax) <= 1`

Validate a document against these rules: https://xmlvalid.com/validate