Chalav Yisrael standard on chalav yisrael
Those who keep chalav Yisrael use only dairy supervised from milking. Agencies print a chalav Yisrael mark where it applies; unmarked dairy is chalav stam.
Shulchan Aruch, Yoreh De'ah 115:1; Igrot Moshe, Yoreh De'ah 1:47 (chalav stam leniency)
How this shows up in a verdict
When the Orthodox lens is selected and a product’s label touches chalav yisrael, the verdict cites this record. Without the required mark, the verdict reads “needs a look”.
Hey Kosher summarizes published positions so shoppers can see the reasoning behind a verdict. It is not a halakhic authority; the cited body has the final word.