$csv->combine(
'', # 1 | N/A-Leave Empty CHAR 2
'', # 2 | N/A-Leave Empty CHAR 15
$tracctnum, # 3 | Account Number CHAR 15
$self->invnum, # 4 | Invoice Number CHAR 15
$lineseq++, # 5 | Line Sequence (sort order) NUM 6
$csv->combine(
'', # 1 | N/A-Leave Empty CHAR 2
'', # 2 | N/A-Leave Empty CHAR 15
$tracctnum, # 3 | Account Number CHAR 15
$self->invnum, # 4 | Invoice Number CHAR 15
$lineseq++, # 5 | Line Sequence (sort order) NUM 6