Optional link to package location (see L<FS::location>)
+=item start_date
+
+date
+
=item setup
date
|| $self->ut_foreign_key('custnum', 'cust_main', 'custnum')
|| $self->ut_numbern('pkgpart')
|| $self->ut_foreign_keyn('locationnum', 'cust_location', 'locationnum')
+ || $self->ut_numbern('start_date')
|| $self->ut_numbern('setup')
|| $self->ut_numbern('bill')
|| $self->ut_numbern('susp')