# BR-KSA-F-04

Source: https://xmlvalid.com/rules/BR-KSA-F-04

> All the document amounts and quantities must be positive, unless specified otherwise.

- Level: error
- Rule sets: ZATCA e-invoicing rules (Saudi Arabia) SDK 3.4.6
- Context: `"ubl:Invoice/cac:AllowanceCharge/cbc:Amount | ubl:Invoice/cac:AllowanceCharge/cbc:BaseAmount | ubl:Invoice/cac:TaxTotal/cac:TaxSubtotal/cbc:TaxableAmount | ubl:Invoice/cac:TaxTotal/cac:TaxSubtotal/cbc:TaxAmount | ubl:Invoice/cac:LegalMonetaryTotal/cbc:LineExtensionAmount | ubl:Invoice/cac:LegalMonetaryTotal/cbc:TaxExclusiveAmount | ubl:Invoice/cac:LegalMonetaryTotal/cbc:TaxInclusiveAmount | ubl:Invoice/cac:LegalMonetaryTotal/cbc:AllowanceTotalAmount | ubl:Invoice/cac:LegalMonetaryTotal/cbc:ChargeTotalAmount | ubl:Invoice/cac:LegalMonetaryTotal/cbc:PrepaidAmount | ubl:Invoice/cac:LegalMonetaryTotal/cbc:PayableRoundingAmount | ubl:Invoice/cac:TaxTotal/cbc:TaxAmount | ubl:Invoice/cac:InvoiceLine/cbc:LineExtensionAmount | ubl:Invoice/cac:InvoiceLine/cac:AllowanceCharge/cbc:Amount | ubl:Invoice/cac:InvoiceLine/cac:AllowanceCharge/cbc:BaseAmount | ubl:Invoice/cac:InvoiceLine/cac:TaxTotal/cbc:TaxAmount | ubl:Invoice/cac:InvoiceLine/cac:TaxTotal/cbc:RoundingAmount | ubl:Invoice/cac:InvoiceLine/cac:Price/cbc:PriceAmount | ubl:Invoice/cac:InvoiceLine/cac:Price/cac:AllowanceCharge/cbc:Amount | ubl:Invoice/cac:InvoiceLine/cac:Price/cac:AllowanceCharge/cbc:BaseAmount | ubl:Invoice/cac:InvoiceLine/cbc:InvoicedQuantity | ubl:Invoice/cac:InvoiceLine/cac:TaxTotal/cac:TaxSubtotal/cbc:TaxableAmount | ubl:Invoice/cac:InvoiceLine/cac:TaxTotal/cac:TaxSubtotal/cbc:TaxAmount | ubl:Invoice/cac:TaxExchangeRate/cbc:CalculationRate`
- Test: `number(.) >= 0`

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