Change label of CSV header, and removing others(Export Totals to CSV)

add_filter( 'wcv_commissions_sum_export_columns', 'wcv_change_commissions_sum_export_columns', 10, 1 );

function wcv_change_commissions_sum_export_columns( $desciption_args ) {

	$add_args = array(

		'bank_routing' => __( 'BSB', 'wc-vendors' ),

	);

	// Remove iban and swift column.

	unset( $desciption_args['bank_iban'] );

	unset( $desciption_args['bank_swift'] );

	$desciption_args = array_merge( $desciption_args, $add_args );

	return $desciption_args;

}