$bill_now = exists($_[0]->{bill_now}) ? $_[0]->{bill_now} : '';
$invoice_terms = exists($_[0]->{invoice_terms}) ? $_[0]->{invoice_terms} : '';
$locationnum = $_[0]->{locationnum} || $self->ship_locationnum;
$bill_now = exists($_[0]->{bill_now}) ? $_[0]->{bill_now} : '';
$invoice_terms = exists($_[0]->{invoice_terms}) ? $_[0]->{invoice_terms} : '';
$locationnum = $_[0]->{locationnum} || $self->ship_locationnum;