информации об обратном

what could this refer to? the context is
5. При отсутствии информации об обратном, мы предполагаем, что объекта анализа не касаются:

the report is about a land plot analysis. there's nothing before that hints to what it might be :|

thanks in advance!!

If there is no evidence to the contrary they assume (by default) that... blah blah blah

aaa, that actually makes sense!! СПАСИБО!! :D