WordPress at Your Fingertips
filter is not described

woocommerce_cart_totals_get_item_tax_rates filter-hook . WC 1.0

Allow plugins to filter item tax rates.

Usage

add_filter( 'woocommerce_cart_totals_get_item_tax_rates', 'filter_function_name_2571', 10, 3 );
function filter_function_name_2571( $item_tax_rates, $item, $cart ){
	// filter...

	return $item_tax_rates;
}
$item_tax_rates
-
$item
-
$cart
-

Where the hook is called

WC_Cart_Totals::get_item_tax_rates()
woocommerce_cart_totals_get_item_tax_rates
woocommerce/includes/class-wc-cart-totals.php 495
return apply_filters( 'woocommerce_cart_totals_get_item_tax_rates', $item_tax_rates, $item, $this->cart );

Where in WP core the hook is used WooCommerce

Usage not found.