SDK 3.3.4 Queries

SDK, web-based validator and sandbox
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  1. The SDK mentions of validation rule BR-S-01 . The latest XML implementation guideline doesn’t provide this rule. Please share the validation rule BR-S-01
  2. New VAT Exemption code “VATEX-SA-DUTYFREE" corresponding VAT exception reason text “Qualified Supply of Goods in Duty Free area” is added. What is the valid VAT Category for this exemption reason?
  3. Amedments to Rules BR-KSA-79, BR-KSA-80 mention ‘regardless of whether the Pre-Paid amount (BT-113) is provided or not’ : Does this meancac:InvoiceLine / cac:TaxTotal / cac:TaxSubtotal / cbc:TaxableAmount, cac:InvoiceLine / cac:TaxTotal / cac:TaxSubtotal / cac:TaxCategory / cbc:Percent and cac:InvoiceLine / cac:TaxTotal / cac:TaxSubtotal / cbc:TaxAmount are mandatory to be included in the XML even when cac:LegalMonetaryTotal / cbc:PrepaidAmount is not shown as it is zero?