Bt spray during flowering

Can someone please tell me if bt spray for caterpillars is ok to spray 3wks into flower. I would think not but according to the labels you can. Is that because the label isn’t referring to cannabis.

I spray BT in flower, sometimes a week before harvest. Its just a bacteria. Just wash the buds when you harvest.

Shouldn’t be a problem. BT is not toxic to mammals.

Thank you