diff --git a/modules/customer-invoices/src/api/application/helpers/map-dto-to-customer-invoice-props.ts b/modules/customer-invoices/src/api/application/helpers/map-dto-to-customer-invoice-props.ts
index 8d1947a2..02c561c8 100644
--- a/modules/customer-invoices/src/api/application/helpers/map-dto-to-customer-invoice-props.ts
+++ b/modules/customer-invoices/src/api/application/helpers/map-dto-to-customer-invoice-props.ts
@@ -33,12 +33,12 @@ export function mapDTOToCustomerInvoiceProps(dto: CreateCustomerInvoiceRequestDT
   const invoiceId = extractOrPushError(UniqueID.create(dto.id), "id", errors);
 
   const invoiceNumber = extractOrPushError(
-    CustomerInvoiceNumber.create(dto.invoice_number),
+    maybeFromNullableVO(dto.invoice_number, (value) => CustomerInvoiceNumber.create(value)),
     "invoice_number",
     errors
   );
   const invoiceSeries = extractOrPushError(
-    maybeFromNullableVO(dto.invoice_series, (value) => CustomerInvoiceSerie.create(value)),
+    maybeFromNullableVO(dto.series, (value) => CustomerInvoiceSerie.create(value)),
     "invoice_series",
     errors
   );
diff --git a/modules/customer-invoices/src/api/application/presenters/queries/list-customer-invoices.presenter.ts b/modules/customer-invoices/src/api/application/presenters/queries/list-customer-invoices.presenter.ts
index 7e1a872a..ec274f77 100644
--- a/modules/customer-invoices/src/api/application/presenters/queries/list-customer-invoices.presenter.ts
+++ b/modules/customer-invoices/src/api/application/presenters/queries/list-customer-invoices.presenter.ts
@@ -14,7 +14,7 @@ export class ListCustomerInvoicesPresenter extends Presenter {
       company_id: invoice.companyId.toString(),
       customer_id: invoice.customerId.toString(),
 
-      invoice_number: invoice.invoiceNumber.toString(),
+      invoice_number: toEmptyString(invoice.invoiceNumber, (value) => value.toString()),
       status: invoice.status.toPrimitive(),
       series: toEmptyString(invoice.series, (value) => value.toString()),
 
diff --git a/modules/customer-invoices/src/api/domain/aggregates/customer-invoice.ts b/modules/customer-invoices/src/api/domain/aggregates/customer-invoice.ts
index 5c8d5aeb..75ba904b 100644
--- a/modules/customer-invoices/src/api/domain/aggregates/customer-invoice.ts
+++ b/modules/customer-invoices/src/api/domain/aggregates/customer-invoice.ts
@@ -34,6 +34,7 @@ export interface CustomerInvoiceProps {
   recipient: Maybe<InvoiceRecipient>;
 
   reference: Maybe<string>;
+  description: Maybe<string>;
   notes: Maybe<TextValue>;
 
   languageCode: LanguageCode;
@@ -144,6 +145,10 @@ export class CustomerInvoice
     return this.props.reference;
   }
 
+  public get description(): Maybe<string> {
+    return this.props.description;
+  }
+
   public get notes(): Maybe<TextValue> {
     return this.props.notes;
   }
diff --git a/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice.mapper.ts b/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice.mapper.ts
index 77604846..99dbf7f5 100644
--- a/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice.mapper.ts
+++ b/modules/customer-invoices/src/api/infrastructure/mappers/domain/customer-invoice.mapper.ts
@@ -149,6 +149,12 @@ export class CustomerInvoiceDomainMapper
       errors
     );
 
+    const description = extractOrPushError(
+      maybeFromNullableVO(source.description, (value) => Result.ok(String(value))),
+      "description",
+      errors
+    );
+
     const notes = extractOrPushError(
       maybeFromNullableVO(source.notes, (value) => TextValue.create(value)),
       "notes",
@@ -187,6 +193,7 @@ export class CustomerInvoiceDomainMapper
       invoiceDate,
       operationDate,
       reference,
+      description,
       notes,
       languageCode,
       currencyCode,
@@ -267,7 +274,9 @@ export class CustomerInvoiceDomainMapper
 
       // 5) Si hubo errores de mapeo, devolvemos colección de validación
       if (errors.length > 0) {
-        return Result.fail(new ValidationErrorCollection("Customer mapping failed", errors));
+        return Result.fail(
+          new ValidationErrorCollection("Customer invoice mapping failed [mapToDomain]", errors)
+        );
       }
 
       // 6) Construcción del agregado (Dominio)
@@ -295,6 +304,7 @@ export class CustomerInvoiceDomainMapper
         recipient: recipient,
 
         reference: attributes.reference!,
+        description: attributes.description!,
         notes: attributes.notes!,
 
         languageCode: attributes.languageCode!,
@@ -391,6 +401,7 @@ export class CustomerInvoiceDomainMapper
       currency_code: source.currencyCode.toPrimitive(),
 
       reference: toNullable(source.reference, (reference) => reference),
+      description: toNullable(source.description, (description) => description),
       notes: toNullable(source.notes, (notes) => notes.toPrimitive()),
 
       subtotal_amount_value: allAmounts.subtotalAmount.value,
diff --git a/modules/customer-invoices/src/api/infrastructure/mappers/queries/customer-invoice.list.mapper.ts b/modules/customer-invoices/src/api/infrastructure/mappers/queries/customer-invoice.list.mapper.ts
index 8263cd26..495a5470 100644
--- a/modules/customer-invoices/src/api/infrastructure/mappers/queries/customer-invoice.list.mapper.ts
+++ b/modules/customer-invoices/src/api/infrastructure/mappers/queries/customer-invoice.list.mapper.ts
@@ -31,13 +31,15 @@ export type CustomerInvoiceListDTO = {
   companyId: UniqueID;
 
   isProforma: boolean;
-  invoiceNumber: CustomerInvoiceNumber;
+  invoiceNumber: Maybe<CustomerInvoiceNumber>;
   status: CustomerInvoiceStatus;
   series: Maybe<CustomerInvoiceSerie>;
 
   invoiceDate: UtcDate;
   operationDate: Maybe<UtcDate>;
 
+  description: Maybe<string>;
+
   customerId: UniqueID;
   recipient: InvoiceRecipient;
 
@@ -97,7 +99,9 @@ export class CustomerInvoiceListMapper
 
     // 5) Si hubo errores de mapeo, devolvemos colección de validación
     if (errors.length > 0) {
-      return Result.fail(new ValidationErrorCollection("Customer invoice mapping failed", errors));
+      return Result.fail(
+        new ValidationErrorCollection("Customer invoice mapping failed [mapToDTO]", errors)
+      );
     }
 
     return Result.ok({
@@ -110,6 +114,8 @@ export class CustomerInvoiceListMapper
       invoiceDate: attributes.invoiceDate!,
       operationDate: attributes.operationDate!,
 
+      description: attributes.description!,
+
       customerId: attributes.customerId!,
       recipient: recipientResult.data,
 
@@ -148,7 +154,7 @@ export class CustomerInvoiceListMapper
     );
 
     const invoiceNumber = extractOrPushError(
-      CustomerInvoiceNumber.create(raw.invoice_number),
+      maybeFromNullableVO(raw.invoice_number, (value) => CustomerInvoiceNumber.create(value)),
       "invoice_number",
       errors
     );
@@ -165,6 +171,12 @@ export class CustomerInvoiceListMapper
       errors
     );
 
+    const description = extractOrPushError(
+      maybeFromNullableVO(raw.description, (value) => value),
+      "description",
+      errors
+    );
+
     const languageCode = extractOrPushError(
       LanguageCode.create(raw.language_code),
       "language_code",
@@ -241,6 +253,7 @@ export class CustomerInvoiceListMapper
       invoiceNumber,
       invoiceDate,
       operationDate,
+      description,
       languageCode,
       currencyCode,
       discountPercentage,
diff --git a/modules/customers/src/api/infrastructure/mappers/queries/customer.list.mapper.ts b/modules/customers/src/api/infrastructure/mappers/queries/customer.list.mapper.ts
index 59ece247..88678b54 100644
--- a/modules/customers/src/api/infrastructure/mappers/queries/customer.list.mapper.ts
+++ b/modules/customers/src/api/infrastructure/mappers/queries/customer.list.mapper.ts
@@ -209,7 +209,9 @@ export class CustomerListMapper
 
     // Si hubo errores de mapeo, devolvemos colección de validación
     if (errors.length > 0) {
-      return Result.fail(new ValidationErrorCollection("Customer invoice mapping failed", errors));
+      return Result.fail(
+        new ValidationErrorCollection("Customer mapping failed [mapToDTO]", errors)
+      );
     }
 
     return Result.ok<CustomerListDTO>({