diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/adv-search.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/adv-search.inc
index aa48fc4961..64c5e4d647 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/adv-search.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/adv-search.inc
@@ -16,18 +16,18 @@
     [% WRAPPER tabs_nav %]
         [% IF ( CAN_user_circulate_circulate_remaining_permissions ) %]
             [% WRAPPER tab_item tabname= "circ_search" bt_active= 1 %]
-                <i class="fa fa-fw fa-upload" aria-hidden="true"></i> <span class="tab-title">Check out</span></a>
+                <i class="fa fa-fw fa-upload" aria-hidden="true"></i> <span class="tab-title">Check out</span>
             [% END %]
             [% WRAPPER tab_item tabname= "checkin_search" %]
-                <i class="fa fa-fw fa-download" aria-hidden="true"></i> <span class="tab-title">Check in</span></a>
+                <i class="fa fa-fw fa-download" aria-hidden="true"></i> <span class="tab-title">Check in</span>
             [% END %]
             [% WRAPPER tab_item tabname= "renew_search" %]
-                <i class="fa fa-fw fa-retweet" aria-hidden="true"></i> <span class="tab-title">Renew</span></a>
+                <i class="fa fa-fw fa-retweet" aria-hidden="true"></i> <span class="tab-title">Renew</span>
             [% END %]
         [% END %]
         [% IF ( CAN_user_borrowers_edit_borrowers ) %]
             [% WRAPPER tab_item tabname= "patron_search" %]
-                <i class="fa fa-fw fa-id-card" aria-hidden="true"></i> <span class="tab-title">Search patrons</span></a>
+                <i class="fa fa-fw fa-id-card" aria-hidden="true"></i> <span class="tab-title">Search patrons</span>
             [% END %]
         [% END %]
     [% END # /WRAPPER tabs_nav %]
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/checkouts-table-footer.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/checkouts-table-footer.inc
index c12c14a631..f4029f580f 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/checkouts-table-footer.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/checkouts-table-footer.inc
@@ -11,7 +11,7 @@
         [% END %]
             <div class="date-select">
                 <p><label for="newduedate">Renewal due date:</label> <input type="text" size="20" id="newduedate" name="newduedate" value="" class="flatpickr" data-flatpickr-enable-time="true"/></p>
-                <p id="newonholdduedate"><label for="newonholdduedate">On hold due date:</label> <input type="text" size="20" name="newonholdduedate" value="" class="flatpickr" data-flatpickr-enable-time="true" /></p>
+                <p id="newonholdduedate"><label for="newonholdduedatefield">On hold due date:</label> <input type="text" size="20" name="newonholdduedate" value="" id="newonholdduedatefield" class="flatpickr" data-flatpickr-enable-time="true" /></p>
                 <p><label for="exemptfine">Forgive fines on return:</label> <input type="checkbox" id="exemptfine" name="exemptfine" value="1" /></p>
             </div>
 		</td>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/html_helpers.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/html_helpers.inc
index 12eba7fa6d..d5af13c7dc 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/html_helpers.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/html_helpers.inc
@@ -395,9 +395,9 @@
     [% END %]
     [% IF ( bt_active ) %]
         [% IF (linktab) %]
-            <a class="nav-link active" href="?tab=[% tabname | url %]" id="[% tabname | uri %]-tab">
+            <a class="nav-link active" href="?tab=[% tabname | url %]" id="[% tabname | html %]-tab">
         [% ELSE %]
-            <a class="nav-link active" href="#[% tabname | uri %]_panel" id="[% tabname | uri %]-tab" data-tabname="[% tabname | uri %]" aria-controls="[% tabname | uri %]_panel" role="tab" data-bs-toggle="tab" data-bs-target="#[% tabname | uri %]_panel">
+            <a class="nav-link active" href="#[% tabname | uri %]_panel" id="[% tabname | html %]-tab" data-tabname="[% tabname | uri %]" aria-controls="[% tabname | uri %]_panel" role="tab" data-bs-toggle="tab" data-bs-target="#[% tabname | uri %]_panel">
         [% END %]
     [% ELSE %]
         [% IF (linktab) %]
@@ -420,9 +420,9 @@
 
 [% BLOCK tab_panel %]
     [% IF ( bt_active ) %]
-        <div class="tab-pane show active" id="[% tabname | html %]_panel" role="tabpanel" aria-labelledby="[% tabname | html %]" tabindex="0">
+        <div class="tab-pane show active" id="[% tabname | html %]_panel" role="tabpanel" aria-labelledby="[% tabname | html %]-tab" tabindex="0">
     [% ELSE %]
-        <div class="tab-pane" id="[% tabname | html %]_panel" role="tabpanel" aria-labelledby="[% tabname | html %]" tabindex="0">
+        <div class="tab-pane" id="[% tabname | html %]_panel" role="tabpanel" aria-labelledby="[% tabname | html %]-tab" tabindex="0">
     [% END %]
         [% content| $raw %]
     </div>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/intranet-bottom.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/intranet-bottom.inc
index 554825e202..cb6b50ae30 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/intranet-bottom.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/intranet-bottom.inc
@@ -13,10 +13,10 @@
     [% UNLESS ( one_language_enabled ) %]
         <div id="changelanguage" class="navbar navbar-expand navbar-light bg-light">
             <div class="container-fluid">
-                <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+                <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#nav_lang_menu" aria-controls="nav_lang_menu" aria-expanded="false" aria-label="Toggle navigation">
                     <span class="navbar-toggler-icon"></span>
                 </button>
-                <div class="collapse navbar-collapse">
+                <div class="collapse navbar-collapse" id="nav_lang_menu">
                     <ul id="i18nMenu" class="navbar-nav me-auto">
                         [% FOREACH languages_loo IN languages_loop %]
                             [% IF ( languages_loo.group_enabled ) %]
@@ -149,7 +149,7 @@
                             <button type="button" class="btn btn-primary consentAcceptAll">Accept all cookies</button>
                             <button type="button" class="btn btn-success" id="consentAcceptSelected">Accept selected non-essential cookies</button>
                         [% END %]
-                        <a type="button" href="#" class="btn btn-secondary consentCloseModal">Cancel</a>
+                        <button type="button" class="btn btn-secondary consentCloseModal">Cancel</button>
                     </div>
                 </div>
             </div> <!-- /.modal-content -->
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/members-toolbar.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/members-toolbar.inc
index 3d6ea935f9..4cb8d77c00 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/members-toolbar.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/members-toolbar.inc
@@ -46,7 +46,7 @@
     [% END %]
 
     [% IF CAN_user_borrowers_edit_borrowers %]
-        <a id="addnewmessageLabel" href="#add_message_form" data-bs-toggle="modal" class="btn btn-default"><i class="fa-solid fa-comment"></i> Add message</a>
+        <a id="toolbar_addnewmessageLabel" href="#add_message_form" data-bs-toggle="modal" class="btn btn-default"><i class="fa-solid fa-comment"></i> Add message</a>
     [% END %]
 
     [% IF Koha.Preference('CurbsidePickup') %]
@@ -129,7 +129,7 @@
                         </li>
                     [% ELSE %]
                         <li data-bs-toggle="tooltip" data-bs-placement="left" title="Patron is an adult">
-                            <a class="dropdown-item disabled" aria-disabled="true" id="updatechild" href="#">Update child to adult patron</a>
+                            <button class="dropdown-item disabled" aria-disabled="true" id="updatechild">Update child to adult patron</button>
                         </li>
                     [% END %]
                 [% END %]
@@ -150,7 +150,7 @@
 </div>
 
 <!-- Modal -->
-<div id="add_message_form" class="modal" tabindex="-1" role="dialog" aria-labelledby="addnewmessageLabel" aria-hidden="true">
+<div id="add_message_form" class="modal" tabindex="-1" role="dialog" aria-labelledby="addnewmessageLabel toolbar_addnewmessageLabel" aria-hidden="true">
     <div class="modal-dialog modal-lg">
         <div class="modal-content modal-lg">
             <form method="post" action="/cgi-bin/koha/circ/add_message.pl" id="message_form" name="message_f">
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/modals/resolve_return_claim.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/modals/resolve_return_claim.inc
index 89d9fc9530..53973a9242 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/modals/resolve_return_claim.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/modals/resolve_return_claim.inc
@@ -9,7 +9,7 @@
       <div class="modal-body">
 
           <div class="form-group">
-            <label for="claims-returned-resolved-code">Resolution</label>
+            <label for="claims-returned-resolved-modal-resolved-code">Resolution</label>
             [% SET resolutions = AuthorisedValues.GetAuthValueDropbox('RETURN_CLAIM_RESOLUTION') %]
             <select class="form-select" id="claims-returned-resolved-modal-resolved-code">
               [% FOREACH r IN resolutions %]
@@ -35,7 +35,7 @@
           <i id="claims-returned-resolved-modal-btn-submit-spinner" class="fa fa-spinner fa-pulse fa-fw" style="display:none"></i>
           Resolve claim
          </button>
-        <button class="btn btn-default deny cancel" href="#" data-bs-dismiss="modal"><i class="fa fa-times"></i> Cancel</button>
+        <button class="btn btn-default deny cancel" data-bs-dismiss="modal"><i class="fa fa-times"></i> Cancel</button>
       </div>
     </div>
   </div>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/patron-detail-tabs.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/patron-detail-tabs.inc
index bf6de17daf..68f5e54630 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/patron-detail-tabs.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/patron-detail-tabs.inc
@@ -90,9 +90,11 @@
             [% INCLUDE "checkouts-table.inc" %]
         [% END # /tab_panel# %]
 
-        [% WRAPPER tab_panel tabname="relatives-issues" %]
-            [% INCLUDE "relatives-issues-table.inc" %]
-        [% END # /tab_panel# %]
+        [% IF relatives_issues_count %]
+            [% WRAPPER tab_panel tabname="relatives-issues" %]
+                [% INCLUDE "relatives-issues-table.inc" %]
+            [% END # /tab_panel# %]
+        [% END %]
 
         [% IF ( guarantees_fines ) %]
             [% WRAPPER tab_panel tabname="guarantees_finesandcharges" %]
@@ -169,7 +171,7 @@
                             [% IF hold_cancellation.count %]
                                 <label for="cancellation-reason">Cancellation reason:</label>
                                 <input type="hidden" name="op" value="cud-cancelall" />
-                                <select name="cancellation-reason">
+                                <select name="cancellation-reason" id="cancellation-reason">
                                     <option value="">No reason given</option>
                                     [% FOREACH reason IN hold_cancellation %]
                                         <option value="[% reason.authorised_value | html %]">[% reason.lib | html %]</option>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/patron_messages.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/patron_messages.inc
index b564b4b542..99ce12b078 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/patron_messages.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/patron_messages.inc
@@ -379,7 +379,7 @@
         <div id="edit_message_form_[% pm.message_id | html %]" class="modal" tabindex="-1" aria-labelledby="#edit_message_form_[% patron_message.message_id | html %]" aria-hidden="true">
             <div class="modal-dialog">
                 <div class="modal-content">
-                    <form method="post" action="/cgi-bin/koha/circ/add_message.pl" id="message_form" name="message_f">
+                    <form method="post" action="/cgi-bin/koha/circ/add_message.pl" id="edit_message_form" name="message_f">
                         [% INCLUDE 'csrf-token.inc' %]
                         <input type="hidden" name="op" value="cud-edit_message">
                         <input type="hidden" name="message_id" value="[% pm.message_id | html %]"/>
@@ -388,9 +388,9 @@
                         </div>
                         <div class="modal-body">
                             <div class="form-group">
-                                <label for="message_type">
+                                <label for="edit_message_type">
                                     Message is for:
-                                    <select name="message_type" id="message_type" disabled>
+                                    <select name="message_type" id="edit_message_type" disabled>
                                         [% IF pm.message_type == "L" %]
                                             <option value="L" selected="selected">Staff - Internal note</option>
                                         [% ELSE %]
@@ -406,7 +406,7 @@
                                 </label>
                             </div>
                             <div class="form-group">
-                                <textarea rows="3" class="modal-textarea" name="borrower_message" id="borrower_message" >[% pm.message | html %]</textarea>
+                                <textarea rows="3" class="modal-textarea" name="borrower_message" id="edit_borrower_message" >[% pm.message | html %]</textarea>
                             </div>
                         </div>
                         <div class="modal-footer">
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/search_indexes.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/search_indexes.inc
index f668fdcc9b..2719a717de 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/search_indexes.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/search_indexes.inc
@@ -1,8 +1,8 @@
 [% USE Koha %]
 [% IF refiner %]
-    <select class="advsearch" name="idx" id="refiner_idx">
+    <select class="advsearch" name="idx" id="refiner_idx_[% index | html %]">
 [% ELSE %]
-    <select class="advsearch" name="idx" id="idx">
+    <select class="advsearch" name="idx" id="idx_[% index | html %]">
 [% END %]
     [% IF ms_kw %]
         <option selected="selected" value="kw">Keyword</option>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/addorderiso2709.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/addorderiso2709.tt
index 1cef2cd82d..e501ad41bf 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/addorderiso2709.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/addorderiso2709.tt
@@ -208,7 +208,7 @@
                                                                 <li class="fund">
                                                                     [% IF ( close ) %]
                                                                         <label for="fund_record_[% biblio.import_record_id | html %]">Fund: </label>
-                                                                        <input type="hidden" size="20" name="budget_id" value="[% budget_id | html %]" />[% Budget_name | html %]
+                                                                        <input type="hidden" name="budget_id" value="[% budget_id | html %]" />[% Budget_name | html %]
                                                                     [% ELSE %]
                                                                         <label for="fund_record_[% biblio.import_record_id | html %]">Fund: </label>
                                                                         <select id="fund_record_[% biblio.import_record_id | html %]" name="budget_id_[% biblio.import_record_id | html %]">
@@ -486,7 +486,7 @@
                                             [% IF ( close ) %]
                                                 <li>
                                                     <span class="label">Fund: </span>
-                                                    <input type="hidden" size="20" name="budget_id" id="budget_id" value="[% budget_id | html %]" />[% Budget_name | html %]
+                                                    <input type="hidden" name="budget_id" id="budget_id" value="[% budget_id | html %]" />[% Budget_name | html %]
                                                 </li>
                                             [% ELSE %]
                                                 <li>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/advsearch.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/advsearch.tt
index 6e2edeb67e..9e5562ae64 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/advsearch.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/advsearch.tt
@@ -175,7 +175,7 @@
                         <div>
                         [% END %]
                         [% SET preselect = 'ms_' _ indexes.${loop.index}.replace(',','comma') %]
-                        [% INCLUDE 'search_indexes.inc' ${preselect} = 1 %]
+                        [% INCLUDE 'search_indexes.inc' ${preselect} = 1 index = loop.index %]
                         <input type="text" size="30" name="q" title="Enter search terms" value="[% query | html %]" />
                         [% IF ( expanded_options ) %]
                           [% IF ( loop.last ) %]
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/circ/waitingreserves.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/circ/waitingreserves.tt
index 80d7bd91d6..828bb000ea 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/circ/waitingreserves.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/circ/waitingreserves.tt
@@ -189,7 +189,7 @@
                     <fieldset class="action">
                         [% SET hold_cancellation = AuthorisedValues.GetAuthValueDropbox('HOLD_CANCELLATION') %]
                         [% IF hold_cancellation.count %]
-                            <label for="cancellation-reason">Cancellation reason: </label>
+                            <label for="modal-cancellation-reason">Cancellation reason: </label>
                             <select class="cancellation-reason" name="modal-cancellation-reason" id="modal-cancellation-reason">
                                 <option value="">No reason given</option>
                                 [% FOREACH reason IN hold_cancellation %]
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/members/paycollect.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/members/paycollect.tt
index 351a48cec2..ff91689ade 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/members/paycollect.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/members/paycollect.tt
@@ -425,7 +425,7 @@
             </div>
             <div class="modal-footer">
                 <button class="btn btn-default approve" id="modal_submit" type="button"><i class="fa fa-check"></i> Yes</button>
-                <button class="btn btn-default deny cancel" href="#" data-bs-dismiss="modal"><i class="fa fa-times"></i> No</button>
+                <button class="btn btn-default deny cancel" data-bs-dismiss="modal"><i class="fa fa-times"></i> No</button>
             </div>
         </div>
     </div>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/reserve/request.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/reserve/request.tt
index 8d1c1fddc3..2fcc09479f 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/reserve/request.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/reserve/request.tt
@@ -1451,7 +1451,7 @@
                         <fieldset class="action">
                             [% SET hold_cancellation = AuthorisedValues.GetAuthValueDropbox('HOLD_CANCELLATION') %]
                             [% IF hold_cancellation.count %]
-                                <label for="cancellation-reason">Cancellation reason: </label>
+                                <label for="modal-cancellation-reason">Cancellation reason: </label>
                                 <select class="cancellation-reason" name="cancellation-reason" id="modal-cancellation-reason">
                                     <option value="">No reason given</option>
                                     [% FOREACH reason IN hold_cancellation %]