public function edit_tax( $id, $data ) {
		try {
			if ( ! isset( $data['tax'] ) ) {
				throw new WC_API_Exception( 'woocommerce_api_missing_tax_data', sprintf( __( 'No %1$s data specified to edit %1$s', 'woocommerce' ), 'tax' ), 400 );
			}

			// Check permissions
			if ( ! current_user_can( 'manage_woocommerce' ) ) {
				throw new WC_API_Exception( 'woocommerce_api_user_cannot_edit_tax', __( 'You do not have permission to edit tax rates', 'woocommerce' ), 401 );
			}

			$data = $data['tax'];

			// Get current tax rate data
			$tax = $this->get_tax( $id );

			if ( is_wp_error( $tax ) ) {
				$error_data = $tax->get_error_data();
				throw new WC_API_Exception( $tax->get_error_code(), $tax->get_error_message(), $error_data['status'] );
			}

			$current_data   = $tax['tax'];
			$data           = apply_filters( 'woocommerce_api_edit_tax_data', $data, $this );
			$tax_data       = array();
			$default_fields = array(
				'tax_rate_country',
				'tax_rate_state',
				'tax_rate',
				'tax_rate_name',
				'tax_rate_priority',
				'tax_rate_compound',
				'tax_rate_shipping',
				'tax_rate_order',
				'tax_rate_class',
			);

			foreach ( $data as $key => $value ) {
				$new_key = 'rate' === $key ? 'tax_rate' : 'tax_rate_' . $key;

				// Check if the key is valid
				if ( ! in_array( $new_key, $default_fields ) ) {
					continue;
				}

				// Test new data against current data
				if ( $value === $current_data[ $key ] ) {
					continue;
				}

				// Fix compound and shipping values
				if ( in_array( $key, array( 'compound', 'shipping' ) ) ) {
					$value = $value ? 1 : 0;
				}

				$tax_data[ $new_key ] = $value;
			}

			// Update tax rate
			WC_Tax::_update_tax_rate( $id, $tax_data );

			// Update locales
			if ( ! empty( $data['postcode'] ) && $current_data['postcode'] != $data['postcode'] ) {
				WC_Tax::_update_tax_rate_postcodes( $id, wc_clean( $data['postcode'] ) );
			}

			if ( ! empty( $data['city'] ) && $current_data['city'] != $data['city'] ) {
				WC_Tax::_update_tax_rate_cities( $id, wc_clean( $data['city'] ) );
			}

			do_action( 'woocommerce_api_edit_tax_rate', $id, $data );

			return $this->get_tax( $id );
		} catch ( WC_API_Exception $e ) {
			return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
		}
	}