$main::auth->assert($form->{type} eq 'purchase_order' || $form->{type} eq 'request_quotation' ? 'vendor_invoice_edit' : 'invoice_edit');
$form->{old_salesman_id} = $form->{salesman_id};
$main::auth->assert($form->{type} eq 'purchase_order' || $form->{type} eq 'request_quotation' ? 'vendor_invoice_edit' : 'invoice_edit');
$form->{old_salesman_id} = $form->{salesman_id};