diff --git a/plugins/woocommerce/changelog/fix-49759-removed-taxname-export b/plugins/woocommerce/changelog/fix-49759-removed-taxname-export
new file mode 100644
index 00000000000..2d76f39f150
--- /dev/null
+++ b/plugins/woocommerce/changelog/fix-49759-removed-taxname-export
@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Improve performance of tax report export generation and fix tax_code for removed rates.
diff --git a/plugins/woocommerce/src/Admin/API/Reports/Taxes/Controller.php b/plugins/woocommerce/src/Admin/API/Reports/Taxes/Controller.php
index d31db463c0c..a794fee018f 100644
--- a/plugins/woocommerce/src/Admin/API/Reports/Taxes/Controller.php
+++ b/plugins/woocommerce/src/Admin/API/Reports/Taxes/Controller.php
@@ -244,7 +244,15 @@ class Controller extends GenericController implements ExportableInterface {
 	 */
 	public function prepare_item_for_export( $item ) {
 		return array(
-			'tax_code'     => \WC_Tax::get_rate_code( $item['tax_rate_id'] ),
+			'tax_code'     => \WC_Tax::get_rate_code(
+				(object) array(
+					'tax_rate_id'       => $item['tax_rate_id'],
+					'tax_rate_country'  => $item['country'],
+					'tax_rate_state'    => $item['state'],
+					'tax_rate_name'     => $item['name'],
+					'tax_rate_priority' => $item['priority'],
+				)
+			),
 			'rate'         => $item['tax_rate'],
 			'total_tax'    => self::csv_number_format( $item['total_tax'] ),
 			'order_tax'    => self::csv_number_format( $item['order_tax'] ),