2 urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_3.0 19 3 1284 [BR-CO-10]-Sum of Invoice line net amount (BT-106) = ? Invoice line net amount (BT-131). [ID BR-CO-10] from /xslt/en16931schematron/EN16931-CII-validation.xslt) [BR-CO-13]-Invoice total amount without VAT (BT-109) = ? Invoice line net amount (BT-131) - Sum of allowances on document level (BT-107) + Sum of charges on document level (BT-108). [ID BR-CO-13] from /xslt/en16931schematron/EN16931-CII-validation.xslt) [BR-DE-TMP-32] Eine Rechnung sollte zur Angabe des Liefer-/Leistungsdatums entweder BT-72 "Actual delivery date", BG-14 "Invoicing period" oder in jeder Rechnungsposition BG-26 "Invoice line period" enthalten. [ID BR-DE-TMP-32] from /xslt/XR_30/XRechnung-CII-validation.xslt)