diff --git a/app/assets/javascripts/kaui/multi_functions_bar_utils.js b/app/assets/javascripts/kaui/multi_functions_bar_utils.js
index 8e59d4941..409ca80fe 100644
--- a/app/assets/javascripts/kaui/multi_functions_bar_utils.js
+++ b/app/assets/javascripts/kaui/multi_functions_bar_utils.js
@@ -374,7 +374,7 @@ $(document).ready(function() {
     container.hide();
     
     populateSavedSearchesDropdown();
-    $('#advanceSearchModal').modal('hide');
+    $('#applyAdvanceSearch').trigger('click');
   });
 
   $(document).on('hidden.bs.modal', '#advanceSearchModal', function () {
diff --git a/app/controllers/kaui/admin_tenants_controller.rb b/app/controllers/kaui/admin_tenants_controller.rb
index 3cba9d54e..757637dde 100644
--- a/app/controllers/kaui/admin_tenants_controller.rb
+++ b/app/controllers/kaui/admin_tenants_controller.rb
@@ -288,13 +288,19 @@ def new_overdue_config
       options = tenant_options_for_client
       options[:api_key] = @tenant.api_key
       options[:api_secret] = @tenant.api_secret
+      @overdue_config_exists = false
       begin
         @overdue = Kaui::Overdue.get_overdue_json(options)
         @overdue_corrupted = false
+        @overdue_config_exists = @overdue.overdue_states.present? && !@overdue.has_states
+      rescue KillBillClient::API::NotFound
+        @overdue = KillBillClient::Model::Overdue.new.tap { |o| o.overdue_states = [] }
+        @overdue_corrupted = false
       rescue StandardError => e
         Rails.logger.warn("Failed to load overdue configuration for tenant #{@tenant.id}: #{e.class}: #{e.message}")
         @overdue = KillBillClient::Model::Overdue.new.tap { |o| o.overdue_states = [] }
         @overdue_corrupted = true
+        @overdue_config_exists = true
         flash.now[:warning] = 'The existing overdue configuration is corrupted and cannot be loaded. Use the XML upload below to replace it with a valid configuration.'
       end
     end
@@ -342,6 +348,24 @@ def upload_overdue_config
       redirect_to admin_tenant_path(current_tenant.id, active_tab: 'OverdueShow'), notice: I18n.t('flashes.notices.overdue_uploaded_successfully')
     end
 
+    def delete_overdue_config
+      current_tenant = safely_find_tenant_by_id(params[:id])
+
+      options = tenant_options_for_client
+      options[:api_key] = current_tenant.api_key
+      options[:api_secret] = current_tenant.api_secret
+
+      begin
+        Kaui::AdminTenant.delete_tenant_user_key_value('OVERDUE_CONFIG', options[:username], nil, comment, options)
+      rescue StandardError => e
+        flash[:error] = "Failed to delete overdue config: #{as_string(e)}"
+        redirect_to admin_tenant_new_overdue_config_path(id: current_tenant.id) and return
+      end
+
+      flash[:overdue_deleted] = true
+      redirect_to admin_tenant_path(current_tenant.id, active_tab: 'OverdueShow'), notice: I18n.t('flashes.notices.overdue_deleted_successfully')
+    end
+
     def upload_invoice_template
       current_tenant = safely_find_tenant_by_id(params[:id])
 
diff --git a/app/controllers/kaui/engine_controller.rb b/app/controllers/kaui/engine_controller.rb
index 618ca4ddb..01e2fccee 100644
--- a/app/controllers/kaui/engine_controller.rb
+++ b/app/controllers/kaui/engine_controller.rb
@@ -38,7 +38,8 @@ def check_for_redirect_to_tenant_screen
   end
 
   def populate_account_details
-    @account ||= params[:account_id].present? ? Kaui::Account.find_by_id(params[:account_id], false, false, options_for_klient) : Kaui::Account.new
+    account_id = scalar_account_id_param
+    @account ||= account_id.present? ? Kaui::Account.find_by_id(account_id, false, false, options_for_klient) : Kaui::Account.new
   end
 
   def retrieve_tenants_for_current_user
diff --git a/app/controllers/kaui/engine_controller_util.rb b/app/controllers/kaui/engine_controller_util.rb
index 478b76f73..c88419b99 100644
--- a/app/controllers/kaui/engine_controller_util.rb
+++ b/app/controllers/kaui/engine_controller_util.rb
@@ -37,8 +37,8 @@ def remapping_addvanced_search_fields(search_string, advanced_search_name_change
     end
 
     def paginate(searcher, data_extractor, formatter, table_default_columns = [])
-      search_key = (params[:search] || {})[:value].presence
-      advance_search_query = params[:advance_search_query].presence
+      search_key = normalize_search_key((params[:search] || {})[:value]).presence
+      advance_search_query = normalize_search_key(params[:advance_search_query]).presence
 
       search_key = advance_search_query if advance_search_query
       search_key = handle_balance_search(search_key) if search_key.present?
@@ -84,6 +84,30 @@ def paginate(searcher, data_extractor, formatter, table_default_columns = [])
       end
     end
 
+    def advanced_search_query?(search_key)
+      search_key.to_s.include?('_q')
+    end
+
+    def scalar_account_id_param
+      path_account_id = request.path_parameters[:account_id].presence
+      return path_account_id if path_account_id.present?
+
+      account_id = params[:account_id]
+      account_id if account_id.is_a?(String) || account_id.is_a?(Numeric)
+    end
+
+    def normalize_search_key(search_key)
+      return if search_key.blank?
+
+      if search_key.respond_to?(:to_unsafe_h)
+        search_key.to_unsafe_h.to_query
+      elsif search_key.is_a?(Hash)
+        search_key.to_query
+      else
+        search_key
+      end
+    end
+
     def promise(&)
       # Evaluation starts immediately
       ::Concurrent::Promises.future do
diff --git a/app/controllers/kaui/invoices_controller.rb b/app/controllers/kaui/invoices_controller.rb
index 314957082..d9d004d37 100644
--- a/app/controllers/kaui/invoices_controller.rb
+++ b/app/controllers/kaui/invoices_controller.rb
@@ -4,7 +4,7 @@
 module Kaui
   class InvoicesController < Kaui::EngineController
     def index
-      @search_query = params[:account_id]
+      @search_query = scalar_account_id_param
       @advance_search_query = params[:q] || request.query_string
       @ordering = params[:ordering] || 'desc'
       @offset = params[:offset] || 0
@@ -15,7 +15,7 @@ def index
     end
 
     def download
-      account_id = params[:account_id]
+      account_id = scalar_account_id_param
       start_date = params[:startDate]
       end_date = params[:endDate]
       all_fields_checked = params[:allFieldsChecked] == 'true'
@@ -60,7 +60,7 @@ def pagination
 
       searcher = lambda do |search_key, offset, limit|
         account = begin
-          Kaui::Account.find_by_id_or_key(search_key, false, false, cached_options_for_klient)
+          Kaui::Account.find_by_id_or_key(search_key, false, false, cached_options_for_klient) unless advanced_search_query?(search_key)
         rescue StandardError
           nil
         end
diff --git a/app/controllers/kaui/payments_controller.rb b/app/controllers/kaui/payments_controller.rb
index ba96abd34..f39227653 100644
--- a/app/controllers/kaui/payments_controller.rb
+++ b/app/controllers/kaui/payments_controller.rb
@@ -5,7 +5,7 @@
 module Kaui
   class PaymentsController < Kaui::EngineController
     def index
-      @search_query = params[:q] || params[:account_id]
+      @search_query = params[:q] || scalar_account_id_param
       @advance_search_query = params[:q] || request.query_string
       @ordering = params[:ordering] || (@search_query.blank? ? 'desc' : 'asc')
       @offset = params[:offset] || 0
@@ -16,7 +16,7 @@ def index
     end
 
     def download
-      account_id = params[:account_id]
+      account_id = scalar_account_id_param
       start_date = params[:startDate]
       end_date = params[:endDate]
       all_fields_checked = params[:allFieldsChecked] == 'true'
@@ -104,7 +104,7 @@ def pagination
           payments = Kaui::Payment.list_or_search(payment_state, offset, limit, options_for_klient)
         else
           account = begin
-            Kaui::Account.find_by_id_or_key(search_key, false, false, options_for_klient)
+            Kaui::Account.find_by_id_or_key(search_key, false, false, options_for_klient) unless advanced_search_query?(search_key)
           rescue StandardError
             nil
           end
diff --git a/app/views/kaui/admin_tenants/new_overdue_config.html.erb b/app/views/kaui/admin_tenants/new_overdue_config.html.erb
index 124d084d6..389b1d2f8 100644
--- a/app/views/kaui/admin_tenants/new_overdue_config.html.erb
+++ b/app/views/kaui/admin_tenants/new_overdue_config.html.erb
@@ -10,6 +10,19 @@
           </span>
           Overdue Configuration
       </h5>
+      <% if @overdue_config_exists && can?(:config_upload, Kaui::AdminTenant) %>
+        <% overdue_delete_confirmation = t('admin_tenants.delete_overdue_config_confirmation') %>
+        <div class="form-group d-flex justify-content-end pb-3">
+          <%= form_tag(kaui_engine.admin_tenant_delete_overdue_config_path(id: @tenant.id), method: :delete, class: 'd-inline', onsubmit: "return confirm('#{j(overdue_delete_confirmation)}');") do %>
+            <%= render "kaui/components/button/button", {
+              label: 'Delete',
+              variant: "d-inline-flex align-items-center gap-1",
+              type: "submit",
+              html_class: "kaui-button delete-button custom-hover"
+            } %>
+          <% end %>
+        </div>
+      <% end %>
       <div class="form-group d-flex pb-3">
         <label class="col-sm-1 control-label">Type</label>
         <div class="toggle-segment col-sm-9">
diff --git a/app/views/kaui/invoices/index.html.erb b/app/views/kaui/invoices/index.html.erb
index af72e5311..5d8e7961f 100644
--- a/app/views/kaui/invoices/index.html.erb
+++ b/app/views/kaui/invoices/index.html.erb
@@ -50,7 +50,7 @@ $(document).ready(function() {
     }
   });
 
-  var stateKey = 'DataTables_invoices-table_' + window.location.pathname.replace(/\//g, '_');
+  var stateKey = 'DataTables_invoices-table';
   var state = JSON.parse(localStorage.getItem(stateKey));
   if (state) {
     state.start = <%= @offset %>;
@@ -64,10 +64,10 @@ $(document).ready(function() {
     },
     "stateSave": true,
     "stateSaveCallback": function(settings, data) {
-      localStorage.setItem('DataTables_invoices-table', JSON.stringify(data));
+      localStorage.setItem(stateKey, JSON.stringify(data));
     },
     "stateLoadCallback": function(settings) {
-      return JSON.parse(localStorage.getItem('DataTables_invoices-table'));
+      return JSON.parse(localStorage.getItem(stateKey));
     },
     "scrollX": true,
     "dom": "<'row'r>t<'row'<'col-md-6'i><'col-md-6'p>>",
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 6255bc0a4..5c5a2af12 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -51,6 +51,7 @@ en:
       overdue_uploaded_successfully: 'Overdue config was successfully uploaded'
       overdue_added_successfully: 'Overdue config was successfully added'
       overdue_updated_successfully: 'Overdue config was successfully updated'
+      overdue_deleted_successfully: 'Overdue config was successfully deleted'
       invoice_template_uploaded_successfully: 'Invoice template was successfully uploaded'
       invoice_translation_uploaded_successfully: 'Invoice translation was successfully uploaded'
       catalog_translation_uploaded_successfully: 'Catalog translation was successfully uploaded'
@@ -85,3 +86,4 @@ en:
 
   admin_tenants:
     clock_warning: "This action will affect all tenants across the system. Proceed with caution."
+    delete_overdue_config_confirmation: "This action is irreversible and will permanently delete the overdue configuration for this tenant. Are you sure you want to continue?"
diff --git a/config/routes.rb b/config/routes.rb
index 266966610..54ecdf214 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -189,6 +189,7 @@ def nested_param
     delete '/:id/delete_catalog' => 'admin_tenants#delete_catalog', :as => 'admin_tenant_delete_catalog'
     get '/:id/new_plan_currency' => 'admin_tenants#new_plan_currency', :as => 'admin_tenant_new_plan_currency'
     get '/:id/new_overdue_config' => 'admin_tenants#new_overdue_config', :as => 'admin_tenant_new_overdue_config'
+    delete '/:id' => 'admin_tenants#delete_overdue_config', :as => 'admin_tenant_delete_overdue_config'
     post '/upload_catalog' => 'admin_tenants#upload_catalog', :as => 'admin_tenant_upload_catalog'
     post '/display_catalog_xml' => 'admin_tenants#display_catalog_xml', :as => 'admin_tenant_display_catalog_xml'
     post '/display_overdue_xml' => 'admin_tenants#display_overdue_xml', :as => 'admin_tenant_display_overdue_xml'
diff --git a/lib/kaui/error_handler.rb b/lib/kaui/error_handler.rb
index 07ff0819b..a76b9df31 100644
--- a/lib/kaui/error_handler.rb
+++ b/lib/kaui/error_handler.rb
@@ -26,7 +26,8 @@ module ErrorHandler
     end
 
     def perform_redirect_after_error(error:, error_message:, redirect: true)
-      account_id = nested_hash_value(params.permit!.to_h, :account_id)
+      account_id = request.path_parameters[:account_id].presence || nested_hash_value(params.permit!.to_h, :account_id)
+      account_id = nil unless account_id.is_a?(String) || account_id.is_a?(Numeric)
       home_path = kaui_engine.home_path
       redirect_path = if redirect && account_id.present?
                         kaui_engine.account_path(account_id)
diff --git a/test/functional/kaui/admin_tenants_controller_test.rb b/test/functional/kaui/admin_tenants_controller_test.rb
index e3d68a7a8..0ec7b7204 100644
--- a/test/functional/kaui/admin_tenants_controller_test.rb
+++ b/test/functional/kaui/admin_tenants_controller_test.rb
@@ -210,6 +210,49 @@ class AdminTenantsControllerTest < Kaui::FunctionalTestHelper
       assert_response :success
     end
 
+    test 'should upload and delete overdue config' do
+      tenant = create_kaui_tenant
+
+      post :upload_overdue_config, params: { id: tenant.id, overdue: fixture_file_upload("#{FIXTURES_PATH}/overdue-v1.xml") }
+      assert_redirected_to admin_tenant_path(tenant.id, active_tab: 'OverdueShow')
+      assert_equal I18n.t('flashes.notices.overdue_uploaded_successfully'), flash[:notice]
+
+      delete :delete_overdue_config, params: { id: tenant.id }
+      assert_redirected_to admin_tenant_path(tenant.id, active_tab: 'OverdueShow')
+      assert_equal I18n.t('flashes.notices.overdue_deleted_successfully'), flash[:notice]
+    end
+
+    test 'should delete overdue config created via modify' do
+      tenant = create_kaui_tenant
+
+      parameters = {
+        id: tenant.id,
+        kill_bill_client_model_overdue: {
+          states: { '0' => {
+            name: 'Overdue_test',
+            external_message: 'Overdue_Test_Ya',
+            is_block_changes: true,
+            subscription_cancellation_policy: 'NONE',
+            condition: {
+              time_since_earliest_unpaid_invoice_equals_or_exceeds: 1,
+              control_tag_inclusion: 'NONE',
+              control_tag_exclusion: 'NONE',
+              number_of_unpaid_invoices_equals_or_exceeds: 0,
+              total_unpaid_invoice_balance_equals_or_exceeds: 0
+            }
+          } }
+        }
+      }
+
+      post :modify_overdue_config, params: parameters
+      assert_redirected_to admin_tenant_path(tenant.id, active_tab: 'OverdueShow')
+      assert_equal I18n.t('flashes.notices.overdue_added_successfully'), flash[:notice].to_s.strip
+
+      delete :delete_overdue_config, params: { id: tenant.id }
+      assert_redirected_to admin_tenant_path(tenant.id, active_tab: 'OverdueShow')
+      assert_equal I18n.t('flashes.notices.overdue_deleted_successfully'), flash[:notice]
+    end
+
     test 'should modify overdue config' do
       tenant = create_kaui_tenant