diff --git a/guide/profile/codes/invoice-specific.adoc b/guide/profile/codes/invoice-specific.adoc
index 33c5a555..34c2a0ee 100644
--- a/guide/profile/codes/invoice-specific.adoc
+++ b/guide/profile/codes/invoice-specific.adoc
@@ -63,6 +63,12 @@ include::../../syntax/codelists/inv-type.adoc[]
 | 380
 | Invoice
 
+|326
+|Partial invoice
+|Document/message specifying details of an incomplete invoice.
+| 380
+| Invoice
+
 |331
 |Commercial invoice which includes a packing list
 |Commercial transaction (invoice) will include a packing list.
@@ -81,6 +87,12 @@ include::../../syntax/codelists/inv-type.adoc[]
 | 380
 | Invoice
 
+|384
+|Corrected invoice
+|Commercial invoice that includes revised information differing from an earlier submission of the same invoice.
+| 380
+| Invoice
+
 |386
 |Prepayment invoice
 |An invoice to pay amounts for goods and services in advance; these amounts will be subtracted from the final invoice.
diff --git a/guide/release-notes/v3.0.16.adoc b/guide/release-notes/v3.0.16.adoc
index c7c76cb4..a932c2c9 100644
--- a/guide/release-notes/v3.0.16.adoc
+++ b/guide/release-notes/v3.0.16.adoc
@@ -14,5 +14,7 @@ Release date:: 2023-11-01
 
 * The structure of the Peppol Schematron rule set has been improved for better quality. A function that was previously located in the Greek rules section is now correctly positioned alongside other functions.
 
+* Added invoice type codes 326 "Partial invoice" and 384 "Corrected invoice" as synonyms to code 380.
+
 ==  Changes to Country-Specific Rules
 
diff --git a/rules/sch/PEPPOL-EN16931-CII.sch b/rules/sch/PEPPOL-EN16931-CII.sch
index 3c855f7e..3908d952 100644
--- a/rules/sch/PEPPOL-EN16931-CII.sch
+++ b/rules/sch/PEPPOL-EN16931-CII.sch
@@ -533,7 +533,7 @@ Last update: 2022 May release 3.0.13.
     </rule>
     <rule context="ram:ExchangedDocument/ram:TypeCode">
       <assert id="PEPPOL-EN16931-P0100" test="
-                    $profile != '01' or (some $code in tokenize('71 102 218 219 331 382 553 817 870 875 876 877 380 383 386 388 393 82 80 84 395 575 623 780 381 396 81 83 532', '\s')
+                    $profile != '01' or (some $code in tokenize('71 102 218 219 326 331 382 553 817 870 875 876 877 380 383 384 386 388 393 82 80 84 395 575 623 780 381 396 81 83 532', '\s')
                         satisfies normalize-space(text()) = $code)" flag="fatal">Invoice type code MUST be set according to the profile.</assert>
     </rule>
     <!-- PEPPOL-EN16931-P0101 is part of PEPPOL-EN16931-P0100. -->
diff --git a/rules/sch/PEPPOL-EN16931-UBL.sch b/rules/sch/PEPPOL-EN16931-UBL.sch
index a65604fb..98c3d96e 100644
--- a/rules/sch/PEPPOL-EN16931-UBL.sch
+++ b/rules/sch/PEPPOL-EN16931-UBL.sch
@@ -691,7 +691,7 @@ Last update: 2023 May release 3.0.15.
     </rule>
     <rule context="cbc:InvoiceTypeCode">
       <assert id="PEPPOL-EN16931-P0100" test="
-          $profile != '01' or (some $code in tokenize('71 80 82 84 102 218 219 331 380 382 383 386 388 393 395 553 575 623 780 817 870 875 876 877', '\s')
+          $profile != '01' or (some $code in tokenize('71 80 82 84 102 218 219 326 331 380 382 383 384 386 388 393 395 553 575 623 780 817 870 875 876 877', '\s')
             satisfies normalize-space(text()) = $code)" flag="fatal">Invoice type code MUST be set according to the profile.</assert>
     </rule>
     <rule context="cbc:CreditNoteTypeCode">
diff --git a/structure/codelist/UNCL1001-inv.xml b/structure/codelist/UNCL1001-inv.xml
index b8b197de..8d0a7baa 100644
--- a/structure/codelist/UNCL1001-inv.xml
+++ b/structure/codelist/UNCL1001-inv.xml
@@ -56,6 +56,12 @@
         <Name>Payment request for completed units</Name>
         <Description> A request for payment for completed units.</Description>
     </Code>
+
+    <Code>
+        <Id>326</Id>
+        <Name>Partial invoice</Name>
+        <Description>Document/message specifying details of an incomplete invoice.</Description>
+    </Code>
     
     <Code>
         <Id>331</Id>
@@ -85,7 +91,13 @@
             relevant party.
         </Description>
     </Code>
-   
+
+    <Code>
+        <Id>384</Id>
+        <Name>Corrected invoice</Name>
+        <Description>Commercial invoice that includes revised information differing from an earlier submission of the same invoice.</Description>
+    </Code>
+
     <Code>
         <Id>386</Id>
         <Name>Prepayment invoice</Name>