WordPress at a glance
filter is not described

(hook_prefix)tax_class filter-hook . WC 1.0

Usage

add_filter( '(hook_prefix)tax_class', 'filter_function_name_2907', 10, 2 );
function filter_function_name_2907( $value, $that ){
	// filter...

	return $value;
}
$value
-
$that
-

Where the hook is called

WC_Product_Variation::get_tax_class()
(hook_prefix)tax_class
woocommerce/includes/class-wc-product-variation.php 305
$value = apply_filters( $this->get_hook_prefix() . 'tax_class', $value, $this );

Where in WP core the hook is used WooCommerce

Usage not found.