diff --git a/docsource/modules180-190.rst b/docsource/modules180-190.rst
index e7f797ce0766..6d0d7312ca11 100644
--- a/docsource/modules180-190.rst
+++ b/docsource/modules180-190.rst
@@ -576,7 +576,7 @@ Module coverage 18.0 -> 19.0
 +---------------------------------------------------+----------------------+-------------------------------------------------+
 | l10n_nl                                           |                      |                                                 |
 +---------------------------------------------------+----------------------+-------------------------------------------------+
-| l10n_no                                           |                      |                                                 |
+| l10n_no                                           |Done                  |                                                 |
 +---------------------------------------------------+----------------------+-------------------------------------------------+
 | l10n_nz                                           |                      |                                                 |
 +---------------------------------------------------+----------------------+-------------------------------------------------+
diff --git a/openupgrade_scripts/scripts/l10n_no/19.0.2.1/pre-migration.py b/openupgrade_scripts/scripts/l10n_no/19.0.2.1/pre-migration.py
new file mode 100644
index 000000000000..fc9b51f72b75
--- /dev/null
+++ b/openupgrade_scripts/scripts/l10n_no/19.0.2.1/pre-migration.py
@@ -0,0 +1,24 @@
+from openupgradelib import openupgrade
+
+# Without this column-add the 19.0 account chart_template loader's
+# `account.tax.mapped(...)` query references account_tax.l10n_no_standard_code
+# before the l10n_no install step would have created the column, crashing
+# the migration with UndefinedColumn. See upgrade_analysis.txt — the field
+# is NEW in 19.0 and there is no upstream pre-migration script in stock
+# OpenUpgrade as of 19.0.2.1.
+_added_fields = [
+    (
+        "l10n_no_standard_code",
+        "account.tax",
+        "account_tax",
+        "char",
+        None,
+        "l10n_no",
+        None,
+    ),
+]
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    openupgrade.add_fields(env, _added_fields)
diff --git a/openupgrade_scripts/scripts/l10n_no/19.0.2.1/upgrade_analysis_work.txt b/openupgrade_scripts/scripts/l10n_no/19.0.2.1/upgrade_analysis_work.txt
new file mode 100644
index 000000000000..d16e5c287d40
--- /dev/null
+++ b/openupgrade_scripts/scripts/l10n_no/19.0.2.1/upgrade_analysis_work.txt
@@ -0,0 +1,14 @@
+---Models in module 'l10n_no'---
+---Fields in module 'l10n_no'---
+l10n_no      / account.journal          / invoice_reference_model (False): selection_keys added: [number] (most likely nothing to do)
+
+# NOTHING TO DO: pure selection-keys widening on an existing column; Odoo's update_db handles it.
+
+l10n_no      / account.tax              / l10n_no_standard_code (char)  : NEW
+
+# DONE: added in pre-migration as a NULL column so the 19.0 account chart_template loader (account.tax.mapped) doesn't crash with UndefinedColumn before the l10n_no install step runs.
+
+---XML records in module 'l10n_no'---
+NEW ir.ui.view: l10n_no.account_tax_form_inherit_l10n_no
+
+# NOTHING TO DO: standard view record loaded during install.