diff --git a/app/Controllers/Attributes.php b/app/Controllers/Attributes.php
index 07dad9d4d..ea73ae96c 100644
--- a/app/Controllers/Attributes.php
+++ b/app/Controllers/Attributes.php
@@ -3,7 +3,6 @@
 namespace App\Controllers;
 
 use App\Models\Attribute;
-use Config\Services;
 
 require_once('Secure_Controller.php');
 
@@ -38,7 +37,7 @@ class Attributes extends Secure_Controller
 	 */
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search'));
+		$search = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 		$limit  = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort   = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
diff --git a/app/Controllers/Cashups.php b/app/Controllers/Cashups.php
index 518c8462b..4a77d2629 100644
--- a/app/Controllers/Cashups.php
+++ b/app/Controllers/Cashups.php
@@ -6,14 +6,13 @@ use App\Models\Cashup;
 use App\Models\Expense;
 use App\Models\Reports\Summary_payments;
 use Config\OSPOS;
-use Config\Services;
 
 class Cashups extends Secure_Controller
 {
-	private Cashup $cashup;
-	private Expense $expense;
-	private Summary_payments $summary_payments;
-	private array $config;
+	 private Cashup $cashup;
+	 private Expense $expense;
+	 private Summary_payments $summary_payments;
+	 private array $config;
 
 	public function __construct()
 	{
@@ -43,7 +42,7 @@ class Cashups extends Secure_Controller
 	 */
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search'));
+		$search = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 		$limit = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
diff --git a/app/Controllers/Customers.php b/app/Controllers/Customers.php
index 9ffbce291..7c3b8e723 100644
--- a/app/Controllers/Customers.php
+++ b/app/Controllers/Customers.php
@@ -125,8 +125,7 @@ class Customers extends Persons
 	 */
 	public function getSuggest(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->customer->get_search_suggestions($search);
+		$suggestions = $this->customer->get_search_suggestions($this->request->getGet('term'), 25,true);
 
 		echo json_encode($suggestions);
 	}
@@ -136,8 +135,7 @@ class Customers extends Persons
 	 */
 	public function suggest_search(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->customer->get_search_suggestions($search, 25, false);
+		$suggestions = $this->customer->get_search_suggestions($this->request->getPost('term'), 25, false);
 
 		echo json_encode($suggestions);
 	}
diff --git a/app/Controllers/Employees.php b/app/Controllers/Employees.php
index 4b5542ca7..f4d4b5715 100644
--- a/app/Controllers/Employees.php
+++ b/app/Controllers/Employees.php
@@ -3,7 +3,6 @@
 namespace App\Controllers;
 
 use App\Models\Module;
-use Config\Services;
 
 /**
  *
@@ -27,7 +26,7 @@ class Employees extends Persons
 	 */
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search'));
+		$search = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 		$limit  = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort   = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
@@ -52,8 +51,7 @@ class Employees extends Persons
 	 */
 	public function getSuggest(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->employee->get_search_suggestions($search, 25, true);
+		$suggestions = $this->employee->get_search_suggestions($this->request->getGet('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS), 25, true);
 
 		echo json_encode($suggestions);
 	}
@@ -63,8 +61,7 @@ class Employees extends Persons
 	 */
 	public function suggest_search(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->employee->get_search_suggestions($search);
+		$suggestions = $this->employee->get_search_suggestions($this->request->getPost('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS));
 
 		echo json_encode($suggestions);
 	}
diff --git a/app/Controllers/Expenses.php b/app/Controllers/Expenses.php
index 7c037123b..cc8f635b1 100644
--- a/app/Controllers/Expenses.php
+++ b/app/Controllers/Expenses.php
@@ -5,7 +5,6 @@ namespace App\Controllers;
 use App\Models\Expense;
 use App\Models\Expense_category;
 use Config\OSPOS;
-use Config\Services;
 
 class Expenses extends Secure_Controller
 {
@@ -45,7 +44,7 @@ class Expenses extends Secure_Controller
 	 */
 	public function getSearch(): void
 	{
-		$search   = Services::htmlPurifier()->purify($this->request->getGet('search'));
+		$search   = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 		$limit    = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset   = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort     = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
diff --git a/app/Controllers/Expenses_categories.php b/app/Controllers/Expenses_categories.php
index e2a965e30..0ed4f4ed8 100644
--- a/app/Controllers/Expenses_categories.php
+++ b/app/Controllers/Expenses_categories.php
@@ -3,7 +3,6 @@
 namespace App\Controllers;
 
 use App\Models\Expense_category;
-use Config\Services;
 
 class Expenses_categories extends Secure_Controller	//TODO: Is this class ever used?
 {
@@ -31,7 +30,7 @@ class Expenses_categories extends Secure_Controller	//TODO: Is this class ever u
 	 **/
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search'));
+		$search = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 		$limit  = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort   = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
diff --git a/app/Controllers/Giftcards.php b/app/Controllers/Giftcards.php
index 61dc2a4f4..10c57ab3d 100644
--- a/app/Controllers/Giftcards.php
+++ b/app/Controllers/Giftcards.php
@@ -4,7 +4,6 @@ namespace App\Controllers;
 
 use App\Models\Giftcard;
 use Config\OSPOS;
-use Config\Services;
 
 class Giftcards extends Secure_Controller
 {
@@ -32,7 +31,7 @@ class Giftcards extends Secure_Controller
 	 */
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search'));
+		$search = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 		$limit  = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort   = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
@@ -58,8 +57,7 @@ class Giftcards extends Secure_Controller
 	 */
 	public function getSuggest(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->giftcard->get_search_suggestions($search, true);
+		$suggestions = $this->giftcard->get_search_suggestions($this->request->getGet('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS), true);
 
 		echo json_encode($suggestions);
 	}
@@ -69,8 +67,7 @@ class Giftcards extends Secure_Controller
 	 */
 	public function suggest_search(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->giftcard->get_search_suggestions($search);
+		$suggestions = $this->giftcard->get_search_suggestions($this->request->getPost('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS));
 
 		echo json_encode($suggestions);
 	}
diff --git a/app/Controllers/Item_kits.php b/app/Controllers/Item_kits.php
index 6628e423a..ce7a62d72 100644
--- a/app/Controllers/Item_kits.php
+++ b/app/Controllers/Item_kits.php
@@ -7,7 +7,6 @@ use App\Libraries\Barcode_lib;
 use App\Models\Item;
 use App\Models\Item_kit;
 use App\Models\Item_kit_items;
-use Config\Services;
 
 class Item_kits extends Secure_Controller
 {
@@ -76,7 +75,7 @@ class Item_kits extends Secure_Controller
 	 */
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search')) ?? '';
+		$search = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS) ?? '';
 		$limit  = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort   = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
@@ -101,8 +100,7 @@ class Item_kits extends Secure_Controller
 	 */
 	public function suggest_search(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->item_kit->get_search_suggestions($search);
+		$suggestions = $this->item_kit->get_search_suggestions($this->request->getPost('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS));
 
 		echo json_encode($suggestions);
 	}
diff --git a/app/Controllers/Items.php b/app/Controllers/Items.php
index bd0ae269d..55d40be35 100644
--- a/app/Controllers/Items.php
+++ b/app/Controllers/Items.php
@@ -94,11 +94,11 @@ class Items extends Secure_Controller
 	 **/
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search'));
-		$limit = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
-		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
-		$sort = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
-		$order = $this->request->getGet('order', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
+		$search = $this->request->getGet('search');
+		$limit = $this->request->getGet('limit');
+		$offset = $this->request->getGet('offset');
+		$sort = $this->request->getGet('sort');
+		$order = $this->request->getGet('order');
 
 		$this->item_lib->set_item_location($this->request->getGet('stock_location'));
 
@@ -182,8 +182,7 @@ class Items extends Secure_Controller
 			'is_deleted' => $this->request->getPost('is_deleted') !== null
 		];
 
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->item->get_search_suggestions($search, $options);
+		$suggestions = $this->item->get_search_suggestions($this->request->getPostGet('term'), $options);
 
 		echo json_encode($suggestions);
 	}
@@ -195,8 +194,7 @@ class Items extends Secure_Controller
 	 */
 	public function getSuggest(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->item->get_search_suggestions($search, ['search_custom' => false, 'is_deleted' => false], true);
+		$suggestions = $this->item->get_search_suggestions($this->request->getGet('term'), ['search_custom' => false, 'is_deleted' => false], true);
 
 		echo json_encode($suggestions);
 	}
diff --git a/app/Controllers/Persons.php b/app/Controllers/Persons.php
index f0fb365ad..15f3d2cc8 100644
--- a/app/Controllers/Persons.php
+++ b/app/Controllers/Persons.php
@@ -3,7 +3,6 @@
 namespace App\Controllers;
 
 use App\Models\Person;
-use Config\Services;
 use function Tamtamchik\NameCase\str_name_case;
 
 abstract class Persons extends Secure_Controller
@@ -35,8 +34,7 @@ abstract class Persons extends Secure_Controller
 	 */
 	public function getSuggest(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->person->get_search_suggestions($search);
+		$suggestions = $this->person->get_search_suggestions($this->request->getPost('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS));
 
 		echo json_encode($suggestions);
 	}
diff --git a/app/Controllers/Receivings.php b/app/Controllers/Receivings.php
index e870aec58..f5d64d083 100644
--- a/app/Controllers/Receivings.php
+++ b/app/Controllers/Receivings.php
@@ -12,7 +12,6 @@ use App\Models\Receiving;
 use App\Models\Stock_location;
 use App\Models\Supplier;
 use Config\OSPOS;
-use Config\Services;
 use ReflectionException;
 
 class Receivings extends Secure_Controller
@@ -61,9 +60,8 @@ class Receivings extends Secure_Controller
 	 */
 	public function getItemSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('term'));
-		$suggestions = $this->item->get_search_suggestions($search, ['search_custom' => false, 'is_deleted' => false], true);
-		$suggestions = array_merge($suggestions, $this->item_kit->get_search_suggestions($search));
+		$suggestions = $this->item->get_search_suggestions($this->request->getGet('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS), ['search_custom' => false, 'is_deleted' => false], true);
+		$suggestions = array_merge($suggestions, $this->item_kit->get_search_suggestions($this->request->getGet('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS)));
 
 		echo json_encode($suggestions);
 	}
@@ -76,9 +74,8 @@ class Receivings extends Secure_Controller
 	 */
 	public function getStockItemSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('term'));
-		$suggestions = $this->item->get_stock_search_suggestions($search, ['search_custom' => false, 'is_deleted' => false], true);
-		$suggestions = array_merge($suggestions, $this->item_kit->get_search_suggestions($search));
+		$suggestions = $this->item->get_stock_search_suggestions($this->request->getGet('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS), ['search_custom' => false, 'is_deleted' => false], true);
+		$suggestions = array_merge($suggestions, $this->item_kit->get_search_suggestions($this->request->getGet('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS)));
 
 		echo json_encode($suggestions);
 	}
diff --git a/app/Controllers/Sales.php b/app/Controllers/Sales.php
index 94591f393..a663fb973 100644
--- a/app/Controllers/Sales.php
+++ b/app/Controllers/Sales.php
@@ -20,7 +20,7 @@ use App\Models\Stock_location;
 use App\Models\Tokens\Token_invoice_count;
 use App\Models\Tokens\Token_customer;
 use App\Models\Tokens\Token_invoice_sequence;
-use Config\Services;
+use CodeIgniter\Config\Services;
 use Config\OSPOS;
 use ReflectionException;
 use stdClass;
@@ -185,9 +185,7 @@ class Sales extends Secure_Controller
 	public function getItemSearch(): void
 	{
 		$suggestions = [];
-		$receipt = $search = $this->request->getGet('term') != ''
-			? Services::htmlPurifier()->purify($this->request->getGet('term'))
-			: null;
+		$receipt = $search = $this->request->getGet('term') != '' ? $this->request->getGet('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS) : null;
 
 		if($this->sale_lib->get_mode() == 'return' && $this->sale->is_valid_receipt($receipt))
 		{
@@ -205,9 +203,7 @@ class Sales extends Secure_Controller
 	 */
 	public function suggest_search(): void
 	{
-		$search = $this->request->getPost('term') != ''
-			? Services::htmlPurifier()->purify($this->request->getPost('term'))
-			: null;
+		$search = $this->request->getPost('term') != '' ? $this->request->getPost('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS) : null;
 
 		$suggestions = $this->sale->get_search_suggestions($search);
 
diff --git a/app/Controllers/Suppliers.php b/app/Controllers/Suppliers.php
index d436b5c17..82c6ac9fa 100644
--- a/app/Controllers/Suppliers.php
+++ b/app/Controllers/Suppliers.php
@@ -3,7 +3,6 @@
 namespace App\Controllers;
 
 use App\Models\Supplier;
-use Config\Services;
 
 class Suppliers extends Persons
 {
@@ -45,7 +44,7 @@ class Suppliers extends Persons
 	 **/
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search'));
+		$search = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 		$limit = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
@@ -71,8 +70,7 @@ class Suppliers extends Persons
 	 **/
 	public function getSuggest(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('term'));
-		$suggestions = $this->supplier->get_search_suggestions($search, true);
+		$suggestions = $this->supplier->get_search_suggestions($this->request->getGet('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS), true);
 
 		echo json_encode($suggestions);
 	}
@@ -82,8 +80,7 @@ class Suppliers extends Persons
 	 */
 	public function suggest_search(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->supplier->get_search_suggestions($search, false);
+		$suggestions = $this->supplier->get_search_suggestions($this->request->getPost('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS), false);
 
 		echo json_encode($suggestions);
 	}
diff --git a/app/Controllers/Tax_categories.php b/app/Controllers/Tax_categories.php
index 5b417369b..f8608fc26 100644
--- a/app/Controllers/Tax_categories.php
+++ b/app/Controllers/Tax_categories.php
@@ -3,7 +3,6 @@
 namespace App\Controllers;
 
 use App\Models\Tax_category;
-use Config\Services;
 
 /**
  * @property tax_category tax_category
@@ -36,7 +35,7 @@ class Tax_categories extends Secure_Controller
 	 */
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search'));
+		$search = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 		$limit  = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort   = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
diff --git a/app/Controllers/Tax_codes.php b/app/Controllers/Tax_codes.php
index 24e48ee23..fd7f868d7 100644
--- a/app/Controllers/Tax_codes.php
+++ b/app/Controllers/Tax_codes.php
@@ -3,7 +3,6 @@
 namespace App\Controllers;
 
 use App\Models\Tax_code;
-use Config\Services;
 
 /**
  * @property tax_code tax_code
@@ -46,7 +45,7 @@ class Tax_codes extends Secure_Controller
 	 */
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search'));
+		$search = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 		$limit  = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort   = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
diff --git a/app/Controllers/Tax_jurisdictions.php b/app/Controllers/Tax_jurisdictions.php
index f094b833b..0c1c77fdb 100644
--- a/app/Controllers/Tax_jurisdictions.php
+++ b/app/Controllers/Tax_jurisdictions.php
@@ -3,7 +3,6 @@
 namespace App\Controllers;
 
 use App\Models\Tax_jurisdiction;
-use Config\Services;
 
 /**
  * @property tax_jurisdiction tax_jurisdiction
@@ -39,7 +38,7 @@ class Tax_jurisdictions extends Secure_Controller
 	 */
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search'));
+		$search = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 		$limit  = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort   = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
diff --git a/app/Controllers/Taxes.php b/app/Controllers/Taxes.php
index 0f9b8de7d..219f82daa 100644
--- a/app/Controllers/Taxes.php
+++ b/app/Controllers/Taxes.php
@@ -9,7 +9,6 @@ use App\Models\Tax_category;
 use App\Models\Tax_code;
 use App\Models\Tax_jurisdiction;
 use Config\OSPOS;
-use Config\Services;
 
 class Taxes extends Secure_Controller
 {
@@ -83,7 +82,7 @@ class Taxes extends Secure_Controller
 	 */
 	public function getSearch(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getGet('search'));
+		$search = $this->request->getGet('search', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 		$limit = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
 		$offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
 		$sort = $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
@@ -107,8 +106,7 @@ class Taxes extends Secure_Controller
 	 */
 	public function suggest_search(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->tax->get_search_suggestions($search);	//TODO: There is no get_search_suggestions function in the tax model
+		$suggestions = $this->tax->get_search_suggestions($this->request->getPost('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS));	//TODO: There is no get_search_suggestions function in the tax model
 
 		echo json_encode($suggestions);
 	}
@@ -120,8 +118,7 @@ class Taxes extends Secure_Controller
 	 */
 	public function suggest_tax_categories(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPost('term'));
-		$suggestions = $this->tax_category->get_tax_category_suggestions($search);
+		$suggestions = $this->tax_category->get_tax_category_suggestions($this->request->getPost('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS));
 
 		echo json_encode($suggestions);
 	}
@@ -461,8 +458,7 @@ class Taxes extends Secure_Controller
 	 */
 	public function getSuggestTaxCodes(): void
 	{
-		$search = Services::htmlPurifier()->purify($this->request->getPostGet('term'));
-		$suggestions = $this->tax_code->get_tax_codes_search_suggestions($search);
+		$suggestions = $this->tax_code->get_tax_codes_search_suggestions($this->request->getPostGet('term', FILTER_SANITIZE_FULL_SPECIAL_CHARS));
 
 		echo json_encode($suggestions);
 	}