WordPress at a glance
filter is not described

woocommerce_reports_taxes_rate filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_reports_taxes_rate', 'filter_function_name_6309', 10, 3 );
function filter_function_name_6309( $rate, $rate_id, $tax_row ){
	// filter...

	return $rate;
}
$rate
-
$rate_id
-
$tax_row
-

Where the hook is called

WC_Report_Taxes_By_Code::get_main_chart()
woocommerce_reports_taxes_rate
woocommerce/includes/admin/reports/class-wc-report-taxes-by-code.php 206
<td><?php echo wp_kses_post( apply_filters( 'woocommerce_reports_taxes_rate', $rate, $rate_id, $tax_row ) ); ?>%</td>

Where in WP core the hook is used WooCommerce

Usage not found.