diff --git a/modules/edocument_uncefact/template/16B-CII/CrossIndustryInvoice.xml b/modules/edocument_uncefact/template/16B-CII/CrossIndustryInvoice.xml
index bddefb95ee..e5f8027c29 100644
--- a/modules/edocument_uncefact/template/16B-CII/CrossIndustryInvoice.xml
+++ b/modules/edocument_uncefact/template/16B-CII/CrossIndustryInvoice.xml
@@ -25,6 +25,7 @@ this repository contains the full copyright notices and license terms. -->
     </py:def>
     <py:def function="TradeAddress(address)">
         <ram:PostcodeCode py:if="address.postal_code">${address.postal_code}</ram:PostcodeCode>
+        <ram:PostOfficeBox py:if="address.post_box">${address.post_box}</ram:PostOfficeBox>
         <ram:BuildingName py:if="address.building_name">${address.building_name}</ram:BuildingName>
         <py:with vars="lines = (address.street_unstructured or '').splitlines()">
             <ram:LineOne py:if="len(lines) > 0">${lines[0]}</ram:LineOne>