WordPress at a glance
action is not described

woocommerce_analytics_update_tax action-hook . WC 1.0

Fires when tax's reports are updated.

Usage

add_action( 'woocommerce_analytics_update_tax', 'action_function_name_8290', 10, 2 );
function action_function_name_8290( $tax_rate_id, $order_id ){
	// action...
}
$tax_rate_id(int)
Tax Rate ID.
$order_id(int)
Order ID.

Where the hook is called

DataStore::sync_order_taxes()
woocommerce_analytics_update_tax
woocommerce/packages/woocommerce-admin/src/API/Reports/Taxes/DataStore.php 308
do_action( 'woocommerce_analytics_update_tax', $tax_item->get_rate_id(), $order->get_id() );

Where in WP core the hook is used WooCommerce

Usage not found.