|| $self->ut_foreign_key('billpkgnum', 'cust_bill_pkg_void', 'billpkgnum' )
|| $self->ut_number('taxnum') #cust_bill_pkg/tax_rate key, based on taxtype
|| $self->ut_enum('taxtype', [ qw( FS::cust_main_county FS::tax_rate ) ] )
|| $self->ut_foreign_key('billpkgnum', 'cust_bill_pkg_void', 'billpkgnum' )
|| $self->ut_number('taxnum') #cust_bill_pkg/tax_rate key, based on taxtype
|| $self->ut_enum('taxtype', [ qw( FS::cust_main_county FS::tax_rate ) ] )