if ( ref( $_[0] ) ) {
$amount = $_[0]->{amount};
$pkg = exists($_[0]->{pkg}) ? $_[0]->{pkg} : 'One-time charge';
$comment = exists($_[0]->{comment}) ? $_[0]->{comment}
: '$'. sprintf("%.2f",$amount);
$taxclass = exists($_[0]->{taxclass}) ? $_[0]->{taxclass} : '';
if ( ref( $_[0] ) ) {
$amount = $_[0]->{amount};
$pkg = exists($_[0]->{pkg}) ? $_[0]->{pkg} : 'One-time charge';
$comment = exists($_[0]->{comment}) ? $_[0]->{comment}
: '$'. sprintf("%.2f",$amount);
$taxclass = exists($_[0]->{taxclass}) ? $_[0]->{taxclass} : '';