Rule PEPPOL-EN16931-R006 deleted

rules/sch/PEPPOL-EN16931-UBL.sch

@@ -231,7 +231,6 @@ Last update: 2023 May release 3.0.15.
       <assert id="PEPPOL-EN16931-R053" test="count(cac:TaxTotal[cac:TaxSubtotal]) = 1" flag="fatal">Only one tax total with tax subtotals MUST be provided.</assert>
       <assert id="PEPPOL-EN16931-R054" test="count(cac:TaxTotal[not(cac:TaxSubtotal)]) = (if (cbc:TaxCurrencyCode) then 1 else 0)" flag="fatal">Only one tax total without tax subtotals MUST be provided when tax currency code is provided.</assert>
       <assert id="PEPPOL-EN16931-R055" test="not(cbc:TaxCurrencyCode) or (cac:TaxTotal/cbc:TaxAmount[@currencyID=normalize-space(../../cbc:TaxCurrencyCode)] &lt;= 0 and cac:TaxTotal/cbc:TaxAmount[@currencyID=normalize-space(../../cbc:DocumentCurrencyCode)] &lt;= 0) or (cac:TaxTotal/cbc:TaxAmount[@currencyID=normalize-space(../../cbc:TaxCurrencyCode)] &gt;= 0 and cac:TaxTotal/cbc:TaxAmount[@currencyID=normalize-space(../../cbc:DocumentCurrencyCode)] &gt;= 0) " flag="fatal">Invoice total VAT amount and Invoice total VAT amount in accounting currency MUST have the same operational sign</assert>
-      <assert id="PEPPOL-EN16931-R006" test="(count(cac:AdditionalDocumentReference[cbc:DocumentTypeCode='130']) &lt;= 1)" flag="fatal">Only one invoiced object is allowed on document level</assert>
     </rule>
     <rule context="cbc:TaxCurrencyCode">
       <assert id="PEPPOL-EN16931-R005" test="not(normalize-space(text()) = normalize-space(../cbc:DocumentCurrencyCode/text()))" flag="fatal">VAT accounting currency code MUST be different from invoice currency code when provided.</assert>