diff --git a/assign_mx_uuid_to_moves.py b/assign_mx_uuid_to_moves.py
new file mode 100644
index 0000000..eed768e
--- /dev/null
+++ b/assign_mx_uuid_to_moves.py
@@ -0,0 +1,61 @@
+# Moves comes with l10n_mx_edi_cfdi_uuid empty because there is no filestore in
+# the migration process, so it is required to apply this code as a server action
+
+batch_size = None # None finds all occurrences. Change None to specific quantity if you are interested in batches (int)
+env.cr.execute(
+    """
+    SELECT
+        document.move_id
+    FROM
+        account_edi_document AS document
+    INNER JOIN
+        account_move AS move
+        ON
+            document.move_id = move.id
+    WHERE
+        move.state = 'posted'
+        AND move.write_date < CURRENT_DATE
+        AND move.l10n_mx_edi_cfdi_uuid IS NULL
+    ORDER BY
+        move.write_date
+    LIMIT
+        %s
+    """,
+    (batch_size,)
+)
+
+moves = env["account.move"].sudo().browse(x[0] for x in env.cr.fetchall())
+if not moves:
+    raise UserError("There are no moves to assign: %s" % len(moves))
+move_ids = []
+uuids = []
+for move in moves:
+    uuid = move._l10n_mx_edi_decode_cfdi().get("uuid")
+    move_ids.append(move.id)
+    uuids.append(uuid or '')
+
+env.cr.execute(
+    """
+    WITH inserted_uuid AS (
+        SELECT
+            *
+        FROM
+            UNNEST(
+                %s,
+                %s
+            ) AS arrays(move_id, l10n_mx_edi_cfdi_uuid)
+    )
+    UPDATE
+        account_move AS move
+    SET
+        l10n_mx_edi_cfdi_uuid = NULLIF(iu.l10n_mx_edi_cfdi_uuid, ''),
+        write_date = NOW() AT TIME ZONE 'utc',
+        write_uid = 1
+    FROM
+        inserted_uuid AS iu
+    WHERE
+        move.id = iu.move_id
+        AND move.l10n_mx_edi_cfdi_uuid IS NULL
+    """,
+    (move_ids, uuids),
+)