From 8dbc97ee5845f48b19a6301c3cca6e359d778609 Mon Sep 17 00:00:00 2001
From: javorosas <javier.rosasb@gmail.com>
Date: Fri, 17 Jul 2026 17:12:08 +0200
Subject: [PATCH] fix: type property tax accounts as arrays

---
 CHANGELOG.md                   | 4 ++++
 package.json                   | 2 +-
 src/types/common.ts            | 2 +-
 test-d/runtime-types.test-d.ts | 4 ++++
 4 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 52628eb..6c3a5b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [4.18.1] 2026-07-17
+### Fixed
+- Type `property_tax_account` as an array in invoice and receipt responses.
+
 ## [4.18.0] 2026-06-06
 ### Added
 - Expose structured API error metadata through `FacturapiError`, including `status`, `code`, `path`, `location`, `errors`, `logId`, and response `headers`.
diff --git a/package.json b/package.json
index b6c17f7..bc84884 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "facturapi",
-  "version": "4.18.0",
+  "version": "4.18.1",
   "description": "SDK oficial de Facturapi para Node.js y navegadores. Integra facturación electrónica en México (CFDI) de forma simple y obtén una perspectiva fiscal completa de tu operación, con búsquedas indexadas, envío de documentos y trazabilidad.",
   "main": "dist/index.cjs.js",
   "module": "dist/index.es.js",
diff --git a/src/types/common.ts b/src/types/common.ts
index e922bb9..867bab9 100644
--- a/src/types/common.ts
+++ b/src/types/common.ts
@@ -86,7 +86,7 @@ export interface InvoiceItem {
   third_party: InvoiceItemThirdParty;
   complement: string;
   parts: InvoiceItemPart[];
-  property_tax_account: string;
+  property_tax_account: string[];
 }
 
 export interface XmlNamespace {
diff --git a/test-d/runtime-types.test-d.ts b/test-d/runtime-types.test-d.ts
index 13ad533..c025639 100644
--- a/test-d/runtime-types.test-d.ts
+++ b/test-d/runtime-types.test-d.ts
@@ -2,6 +2,7 @@ import { expectAssignable, expectType, expectError } from 'tsd';
 import Facturapi, {
   BinaryDownload,
   FacturapiError,
+  InvoiceItem,
   NodeLikeReadableStream,
   TaxFactor,
 } from '../dist';
@@ -31,6 +32,9 @@ if ('pipe' in binary && typeof binary.pipe === 'function') {
 
 expectAssignable<TaxFactor>(TaxFactor.EXENTO);
 
+declare const invoiceItem: InvoiceItem;
+expectType<string[]>(invoiceItem.property_tax_account);
+
 declare const apiError: FacturapiError;
 expectType<number>(apiError.status);
 expectType<string | undefined>(apiError.code);