diff --git a/xbuilder/core/src/main/java/io/github/project/openubl/xbuilder/content/jaxb/mappers/SummaryDocumentsMapper.java b/xbuilder/core/src/main/java/io/github/project/openubl/xbuilder/content/jaxb/mappers/SummaryDocumentsMapper.java
index c28dbc7a..8149de85 100644
--- a/xbuilder/core/src/main/java/io/github/project/openubl/xbuilder/content/jaxb/mappers/SummaryDocumentsMapper.java
+++ b/xbuilder/core/src/main/java/io/github/project/openubl/xbuilder/content/jaxb/mappers/SummaryDocumentsMapper.java
@@ -119,7 +119,7 @@ default ComprobanteImpuestos mapLineComprobanteImpuestos(XMLSummaryDocumentsLine
                                 .flatMap(taxScheme -> Optional.ofNullable(taxScheme.getId()))
                                 .flatMap(code -> Catalog.valueOfCode(Catalog5.class, code))
                                 .orElse(null),
-                        XMLSummaryDocumentsLine.TaxTotal::getTaxAmount
+                        taxTotal -> Optional.ofNullable(taxTotal.getTaxAmount()).orElse(BigDecimal.ZERO)
                 ));
 
         return ComprobanteImpuestos.builder()
diff --git a/xbuilder/core/src/main/resources/templates/Renderer/summaryDocuments.xml b/xbuilder/core/src/main/resources/templates/Renderer/summaryDocuments.xml
index b2eda8cf..7f1b4a10 100644
--- a/xbuilder/core/src/main/resources/templates/Renderer/summaryDocuments.xml
+++ b/xbuilder/core/src/main/resources/templates/Renderer/summaryDocuments.xml
@@ -72,7 +72,6 @@
             <cbc:Amount currencyID="{it.comprobante.moneda}">{it.comprobante.valorVenta.otrosCargos}</cbc:Amount>
         </cac:AllowanceCharge>
         {/if}
-        {#if it.comprobante.impuestos.igv}
         <cac:TaxTotal>
             <cbc:TaxAmount currencyID="{it.comprobante.moneda}">{it.comprobante.impuestos.igv}</cbc:TaxAmount>
             <cac:TaxSubtotal>
@@ -86,7 +85,6 @@
                 </cac:TaxCategory>
             </cac:TaxSubtotal>
         </cac:TaxTotal>
-        {/if}
         {#if it.comprobante.impuestos.icb}
         <cac:TaxTotal>
             <cbc:TaxAmount currencyID="{it.comprobante.moneda}">{it.comprobante.impuestos.icb}</cbc:TaxAmount>
diff --git a/xbuilder/core/src/test/java/e2e/renderer/summarydocuments/SummaryDocumentsTest.java b/xbuilder/core/src/test/java/e2e/renderer/summarydocuments/SummaryDocumentsTest.java
index 4d0a35fc..3a3cdc7e 100644
--- a/xbuilder/core/src/test/java/e2e/renderer/summarydocuments/SummaryDocumentsTest.java
+++ b/xbuilder/core/src/test/java/e2e/renderer/summarydocuments/SummaryDocumentsTest.java
@@ -105,4 +105,44 @@ public void testMultipleVoidedDocuments() throws Exception {
         assertInput(input, "summaryDocuments.xml");
     }
 
+    @Test
+    public void testVoidedDocument_anularBoletaExonerada() throws Exception {
+        // Given
+        SummaryDocuments input = SummaryDocuments.builder()
+                .numero(1)
+                .fechaEmisionComprobantes(dateProvider.now().minusDays(2))
+                .proveedor(Proveedor.builder()
+                        .ruc("12345678912")
+                        .razonSocial("Softgreen S.A.C.")
+                        .build()
+                )
+                .comprobante(SummaryDocumentsItem.builder()
+                        .tipoOperacion(Catalog19.ANULADO.toString())
+                        .comprobante(Comprobante.builder()
+                                .tipoComprobante(Catalog1_Invoice.BOLETA.getCode())//
+                                .serieNumero("B001-1")
+                                .cliente(Cliente.builder()
+                                        .nombre("Carlos Feria")
+                                        .numeroDocumentoIdentidad("12345678")
+                                        .tipoDocumentoIdentidad(Catalog6.DNI.getCode())
+                                        .build()
+                                )
+                                .impuestos(ComprobanteImpuestos.builder()
+                                        .igv(new BigDecimal("0"))
+                                        .build()
+                                )
+                                .valorVenta(ComprobanteValorVenta.builder()
+                                        .importeTotal(new BigDecimal("100"))
+                                        .gravado(new BigDecimal("0"))
+                                        .exonerado(new BigDecimal("0"))
+                                        .build()
+                                )
+                                .build()
+                        )
+                        .build()
+                )
+                .build();
+
+        assertInput(input, "summaryDocuments_anularBoletaExonerada.xml");
+    }
 }
diff --git a/xbuilder/core/src/test/resources/e2e/renderer/summarydocuments/SummaryDocumentsTest/summaryDocuments_anularBoletaExonerada.xml b/xbuilder/core/src/test/resources/e2e/renderer/summarydocuments/SummaryDocumentsTest/summaryDocuments_anularBoletaExonerada.xml
new file mode 100644
index 00000000..daead507
--- /dev/null
+++ b/xbuilder/core/src/test/resources/e2e/renderer/summarydocuments/SummaryDocumentsTest/summaryDocuments_anularBoletaExonerada.xml
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<SummaryDocuments xmlns="urn:sunat:names:specification:ubl:peru:schema:xsd:SummaryDocuments-1"
+                  xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2"
+                  xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2"
+                  xmlns:ccts="urn:un:unece:uncefact:documentation:2" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
+                  xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2"
+                  xmlns:ns11="urn:sunat:names:specification:ubl:peru:schema:xsd:Perception-1"
+                  xmlns:qdt="urn:oasis:names:specification:ubl:schema:xsd:QualifiedDatatypes-2"
+                  xmlns:sac="urn:sunat:names:specification:ubl:peru:schema:xsd:SunatAggregateComponents-1"
+                  xmlns:udt="urn:un:unece:uncefact:data:specification:UnqualifiedDataTypesSchemaModule:2"
+                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <ext:UBLExtensions>
+        <ext:UBLExtension>
+            <ext:ExtensionContent />
+        </ext:UBLExtension>
+    </ext:UBLExtensions>
+    <cbc:UBLVersionID>2.0</cbc:UBLVersionID>
+    <cbc:CustomizationID>1.1</cbc:CustomizationID>
+    <cbc:ID>RC-20191224-1</cbc:ID>
+    <cbc:ReferenceDate>2019-12-22</cbc:ReferenceDate>
+    <cbc:IssueDate>2019-12-24</cbc:IssueDate>
+    <cac:Signature>
+        <cbc:ID>12345678912</cbc:ID>
+        <cac:SignatoryParty>
+            <cac:PartyIdentification>
+                <cbc:ID>12345678912</cbc:ID>
+            </cac:PartyIdentification>
+            <cac:PartyName>
+                <cbc:Name><![CDATA[Softgreen S.A.C.]]></cbc:Name>
+            </cac:PartyName>
+        </cac:SignatoryParty>
+        <cac:DigitalSignatureAttachment>
+            <cac:ExternalReference>
+                <cbc:URI>#PROJECT-OPENUBL-SIGN</cbc:URI>
+            </cac:ExternalReference>
+        </cac:DigitalSignatureAttachment>
+    </cac:Signature>
+    <cac:AccountingSupplierParty>
+        <cbc:CustomerAssignedAccountID>12345678912</cbc:CustomerAssignedAccountID>
+        <cbc:AdditionalAccountID>6</cbc:AdditionalAccountID>
+        <cac:Party>
+            <cac:PartyLegalEntity>
+                <cbc:RegistrationName><![CDATA[Softgreen S.A.C.]]></cbc:RegistrationName>
+            </cac:PartyLegalEntity>
+        </cac:Party>
+    </cac:AccountingSupplierParty>
+    <sac:SummaryDocumentsLine>
+        <cbc:LineID>1</cbc:LineID>
+        <cbc:DocumentTypeCode>03</cbc:DocumentTypeCode>
+        <cbc:ID>B001-1</cbc:ID>
+        <cac:AccountingCustomerParty>
+            <cbc:CustomerAssignedAccountID>12345678</cbc:CustomerAssignedAccountID>
+            <cbc:AdditionalAccountID>1</cbc:AdditionalAccountID>
+        </cac:AccountingCustomerParty>
+        <cac:Status>
+            <cbc:ConditionCode>3</cbc:ConditionCode>
+        </cac:Status>
+        <sac:TotalAmount currencyID="PEN">100</sac:TotalAmount>
+        <cac:TaxTotal>
+            <cbc:TaxAmount currencyID="PEN">0</cbc:TaxAmount>
+            <cac:TaxSubtotal>
+                <cbc:TaxAmount currencyID="PEN">0</cbc:TaxAmount>
+                <cac:TaxCategory>
+                    <cac:TaxScheme>
+                        <cbc:ID>1000</cbc:ID>
+                        <cbc:Name>IGV</cbc:Name>
+                        <cbc:TaxTypeCode>VAT</cbc:TaxTypeCode>
+                    </cac:TaxScheme>
+                </cac:TaxCategory>
+            </cac:TaxSubtotal>
+        </cac:TaxTotal>
+    </sac:SummaryDocumentsLine>
+</SummaryDocuments>