WordPress at a glance
filter is not described

woocommerce_api_create_tax_data filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_api_create_tax_data', 'filter_function_name_1287', 10, 2 );
function filter_function_name_1287( $data_tax, $that ){
	// filter...

	return $data_tax;
}
$data_tax
-
$that
-

Where the hook is called

WC_API_Taxes::create_tax()
woocommerce_api_create_tax_data
woocommerce/includes/legacy/api/v3/class-wc-api-taxes.php 192
$data = apply_filters( 'woocommerce_api_create_tax_data', $data['tax'], $this );

Where in WP core the hook is used WooCommerce

Usage not found.