diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/claims.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/claims.tt
index 6d86412f88..f56d954893 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/claims.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/claims.tt
@@ -217,7 +217,7 @@
 [% MACRO jsinclude BLOCK %]
     [% INCLUDE 'calendar.inc' %]
     [% INCLUDE 'datatables.inc' %]
-    <script nonce="[% Koha.CSPNonce | $raw %]">
+    <script nonce="[% Koha.CSPNonce | $raw %]" data-tt-allowed="true">
         var table_settings = [% TablesSettings.GetTableSettings( "serials", "claims", "claimst", "json" ) | $raw %];
         const vendor_id = "[% supplierid | html %]";
     </script>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/routing.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/routing.tt
index 6798bbe6b7..3afc254251 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/routing.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/routing.tt
@@ -135,6 +135,9 @@
 [% END %]
 
 [% MACRO jsinclude BLOCK %]
+    <script nonce="[% Koha.CSPNonce | $raw %]" data-tt-allowed="true">
+        var subscriptionid = [% subscriptionid || 0 | html %];
+    </script>
     <script nonce="[% Koha.CSPNonce | $raw %]">
         $(document).ready(function () {
             $(".itemrank").on("change", function () {
@@ -184,7 +187,7 @@
             }
             $.ajax({
                 data: {
-                    subscriptionid: [% subscriptionid | html %],
+                    subscriptionid,
                     borrowernumbers,
                     op: 'cud-add_new_recipients',
                     csrf_token: $('meta[name="csrf-token"]').attr('content'),
@@ -192,7 +195,7 @@
                 type: 'POST',
                 url: '/cgi-bin/koha/serials/routing.pl',
                 success: function (data) {
-                    document.location.href = '/cgi-bin/koha/serials/routing.pl?subscriptionid=[% subscriptionid | uri %]';
+                    document.location.href = `/cgi-bin/koha/serials/routing.pl?subscriptionid=${subscriptionid}`;
                     return false;
                 },
                 error: function (data) {
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-collection.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-collection.tt
index e4c2933201..c022cb113d 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-collection.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-collection.tt
@@ -341,8 +341,9 @@
 
 [% MACRO jsinclude BLOCK %]
     [% INCLUDE 'datatables.inc' %]
-    <script nonce="[% Koha.CSPNonce | $raw %]">
+    <script nonce="[% Koha.CSPNonce | $raw %]" data-tt-allowed="true">
         var subscriptionid = "[% subscriptionid | html %]";
+        var subscriptionidlist = "[% subscriptionidlist | html %]";
     </script>
     [% Asset.js("js/serials-toolbar.js") | $raw %]
     <script nonce="[% Koha.CSPNonce | $raw %]">
@@ -420,7 +421,7 @@
         $(document).ready(function() {
             $(".delete-issues").on("click", function(e){
                 e.preventDefault();
-                deleteIssues("[% subscriptionidlist | html %]");
+                deleteIssues(subscriptionidlist);
             });
         });
     </script>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-edit.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-edit.tt
index 3c5f56a91f..3657ffb185 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-edit.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-edit.tt
@@ -18,7 +18,6 @@
 [% Asset.js("js/cataloging.js") | $raw %]
 [% INCLUDE 'calendar.inc' %]
 <script nonce="[% Koha.CSPNonce | $raw %]">
-    //<![CDATA[
     $(document).ready(function () {
         $("#multi_receiving").on("show", function () {
             $(this).find(".modal-body").html($(".serials_multi_receiving")[0].outerHTML);
@@ -88,7 +87,6 @@
             }
         });
     });
-    //]]>
 </script>
 <style nonce="[% Koha.CSPNonce | $raw %]">
     #serials_edit fieldset.rows label,
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-home.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-home.tt
index 8e427c22e4..18d7b92722 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-home.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-home.tt
@@ -45,7 +45,7 @@
 [% MACRO jsinclude BLOCK %]
     [% INCLUDE 'calendar.inc' %]
     [% Asset.js("js/serials-toolbar.js") | $raw %]
-    <script nonce="[% Koha.CSPNonce | $raw %]">
+    <script nonce="[% Koha.CSPNonce | $raw %]" data-tt-allowed="true">
         var subscriptionid = "[% subscriptionid | html %]";
     </script>
 [% END %]
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-search.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-search.tt
index 219e8e6b1d..2fc4e24665 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-search.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-search.tt
@@ -1,4 +1,5 @@
 [% USE raw %]
+[% USE To %]
 [% USE Asset %]
 [% USE AuthorisedValues %]
 [% USE Branches %]
@@ -281,9 +282,13 @@
 [% MACRO jsinclude BLOCK %]
     [% INCLUDE 'calendar.inc' %]
     [% INCLUDE 'datatables.inc' %]
-    <script nonce="[% Koha.CSPNonce | $raw %]">
+    <script nonce="[% Koha.CSPNonce | $raw %]" data-tt-allowed="true">
         var subscriptionid = "[% subscriptionid | html %]";
         const edit_action_link = "[% edit_action_link | html %]";
+
+        [% IF mana %]
+            const additional_fields_for_subscription = [% To.json(additional_fields_for_subscription) | $raw %];
+        [% END %]
     </script>
     [% Asset.js("js/serials-toolbar.js") | $raw %]
     <script nonce="[% Koha.CSPNonce | $raw %]">
@@ -367,9 +372,9 @@
         <script nonce="[% Koha.CSPNonce | $raw %]">
             $(document).ready(function() {
                 $(".local").hide();
-                [% FOR field IN additional_fields_for_subscription %]
-                      $("label[for=additional_field_[% field.id | $raw %]], input#additional_field_[% field.id | $raw %]").hide();
-                [% END %]
+                additional_fields_for_subscription.forEach(f => {
+                      $(`label[for=additional_field_${f.id}], input#additional_field_${f.id}`).hide();
+                });
             });
         </script>
     [% END %]
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-add.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-add.tt
index 3bb2e252fe..128b8c87ed 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-add.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-add.tt
@@ -596,7 +596,7 @@
     [% INCLUDE 'calendar.inc' %]
     [% INCLUDE 'datatables.inc' %]
     [% Asset.js("js/mana.js") | $raw %]
-    <script nonce="[% Koha.CSPNonce | $raw %]">
+    <script nonce="[% Koha.CSPNonce | $raw %]" data-tt-allowed="true">
         var subscriptionid = "[% subscriptionid | html %]";
         var irregularity = "[% irregularity | html %]";
         var more_than_one_serial = "[% more_than_one_serial | html %]";
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-detail.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-detail.tt
index 35409179be..f54e8bb854 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-detail.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-detail.tt
@@ -447,18 +447,17 @@
 [% END %]
 
 [% MACRO jsinclude BLOCK %]
-    <script nonce="[% Koha.CSPNonce | $raw %]">
+    <script nonce="[% Koha.CSPNonce | $raw %]" data-tt-allowed="true">
         var subscriptionid = "[% subscriptionid | html %]";
+
+        var table_settings = [% TablesSettings.GetTableSettings( 'serials', 'subscription-detail', 'orders', 'json' ) | $raw %];
+        const has_orders = [% orders_grouped.size ? 1 : 0 | html %];
+        const print_routing_list_issue = "[% print_routing_list_issue | uri %]";
     </script>
     [% Asset.js("js/serials-toolbar.js") | $raw %]
     [% Asset.js("js/mana.js") | $raw %]
     [% INCLUDE 'datatables.inc' %]
     [% Asset.js("lib/jquery/plugins/treetable/jquery.treetable.js") | $raw %]
-    <script nonce="[% Koha.CSPNonce | $raw %]">
-        var table_settings = [% TablesSettings.GetTableSettings( 'serials', 'subscription-detail', 'orders', 'json' ) | $raw %];
-        const has_orders = [% orders_grouped.size ? 1 : 0 | html %];
-        const print_routing_list_issue = "[% print_routing_list_issue | uri %]";
-    </script>
     <script nonce="[% Koha.CSPNonce | $raw %]">
         // the english words used in display purposes
         var text = new Array(