From 7871981c73645f1f12aa795c71b752226f0c2559 Mon Sep 17 00:00:00 2001
From: langfr <frank.langelage@outlook.de>
Date: Fri, 6 Feb 2026 14:11:20 +0000
Subject: [PATCH] Add CalculationPercent (BT-101) and BasisAmount (BT-100) to
 allowances/charges on document level.

---
 .../ZUGFeRD/ZUGFeRD2PullProvider.java         | 24 ++++++++++++++-----
 .../mustangproject/ZUGFeRD/ZF2PushTest.java   |  5 ++--
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java
index d7aab617..61693ea5 100644
--- a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java
+++ b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java
@@ -811,8 +811,14 @@ public class ZUGFeRD2PullProvider implements IXMLProvider {
 					xml += "<ram:SpecifiedTradeAllowanceCharge>" +
 						"<ram:ChargeIndicator>" +
 						"<udt:Indicator>true</udt:Indicator>" +
-						"</ram:ChargeIndicator>" +
-						"<ram:ActualAmount>" + currencyFormat(charge.getTotalAmount(calc)) + "</ram:ActualAmount>";
+						"</ram:ChargeIndicator>";
+					if (charge.getPercent() != null && (profile == Profiles.getByName("EN16931") || (profile == Profiles.getByName("EXTENDED")))) {
+						xml += "<ram:CalculationPercent>" + vatFormat(charge.getPercent()) + "</ram:CalculationPercent>";
+					}
+					if (charge.getBasisAmount() != null && (profile == Profiles.getByName("EN16931") || (profile == Profiles.getByName("EXTENDED")))) {
+						xml += "<ram:BasisAmount>" + currencyFormat(charge.getBasisAmount()) + "</ram:BasisAmount>";
+					}
+					xml += "<ram:ActualAmount>" + currencyFormat(charge.getTotalAmount(calc)) + "</ram:ActualAmount>";
 					if (charge.getReasonCode() != null) {
 						xml += "<ram:ReasonCode>" + charge.getReasonCode() + "</ram:ReasonCode>";
 					}
@@ -855,14 +861,20 @@ public class ZUGFeRD2PullProvider implements IXMLProvider {
 					xml += "<ram:SpecifiedTradeAllowanceCharge>" +
 						"<ram:ChargeIndicator>" +
 						"<udt:Indicator>false</udt:Indicator>" +
-						"</ram:ChargeIndicator>" +
-						"<ram:ActualAmount>" + currencyFormat(allowance.getTotalAmount(calc)) + "</ram:ActualAmount>";
-					if (allowance.getReason() != null) {
-						xml += "<ram:Reason>" + XMLTools.encodeXML(allowance.getReason()) + "</ram:Reason>";
+						"</ram:ChargeIndicator>";
+					if (allowance.getPercent() != null) {
+						xml += "<ram:CalculationPercent>" + vatFormat(allowance.getPercent()) + "</ram:CalculationPercent>";
 					}
+					if (allowance.getBasisAmount() != null) {
+						xml += "<ram:BasisAmount>" + currencyFormat(allowance.getBasisAmount()) + "</ram:BasisAmount>";
+					}
+					xml += "<ram:ActualAmount>" + currencyFormat(allowance.getTotalAmount(calc)) + "</ram:ActualAmount>";
 					if (allowance.getReasonCode() != null) {
 						xml += "<ram:ReasonCode>" + allowance.getReasonCode() + "</ram:ReasonCode>";
 					}
+					if (allowance.getReason() != null) {
+						xml += "<ram:Reason>" + XMLTools.encodeXML(allowance.getReason()) + "</ram:Reason>";
+					}
 					xml += "<ram:CategoryTradeTax>" +
 						"<ram:TypeCode>VAT</ram:TypeCode>" +
 						"<ram:CategoryCode>" + allowance.getCategoryCode() + "</ram:CategoryCode>";
diff --git a/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2PushTest.java b/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2PushTest.java
index ade0ed6d..24a8ca63 100644
--- a/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2PushTest.java
+++ b/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2PushTest.java
@@ -763,8 +763,9 @@ public class ZF2PushTest extends TestCase {
 				.setNumber(number)
 				.addItem(new Item(new Product("Testprodukt", "", "H87", new BigDecimal(19)), price, new BigDecimal(1.0)))
 				.addItem(new Item(new Product("Testprodukt", "", "H87", new BigDecimal(19)), price, new BigDecimal(1.0)))
-				.addItem(new Item(new Product("Testprodukt", "", "H87", new BigDecimal(19)), price, new BigDecimal(1.0))).addCharge(new Charge().setPercent(new BigDecimal(50)).setTaxPercent(new BigDecimal(19)).setReasonCode("ABK"))
-						.addAllowance(new Allowance().setPercent(new BigDecimal(50)).setTaxPercent(new BigDecimal(19)).setReason("Mengenrabatt"))
+				.addItem(new Item(new Product("Testprodukt", "", "H87", new BigDecimal(19)), price, new BigDecimal(1.0)))
+						.addCharge(new Charge().setPercent(new BigDecimal(50)).setBasisAmount(price).setTaxPercent(new BigDecimal(19)).setReasonCode("ABK").setReason("Verschiedenes"))
+						.addAllowance(new Allowance().setPercent(new BigDecimal(50)).setTaxPercent(new BigDecimal(19)).setReasonCode("95").setReason("Mengenrabatt"))
 			);
 			String theXML = new String(ze.getProvider().getXML(), StandardCharsets.UTF_8);
 			assertTrue(theXML.contains("<rsm:CrossIndustryInvoice"));