There are several Tshuvos where R’ Moshe Z”L restricts the usage of Chalav Hacompanies (as he called it) to times and places where Chalav Yisrael isn’t available. Recently, a such a letter a revealed for the first time. I’d upload it if I could, but I don’t know how to. It’s a handwritten letter in R Moshes own writing to a certain Reb Yitzchak Hoffman, who was shocked to see the Maimonodes Hospital serving Chalav Akum. When he asked them how they can do such a thing, he was told R Moshe allows it. So he wrote to R Moshe, and this is what R Moshe answered:
(It’s handwritten, and not easy to decipher, any mistakes are mine.)
?’ ?????? ???”?
???? ??? ?????????? ?? ??? ????? ???? (….) ???? ?? ????? ????? ??? ????? ???? ??? ????? ????? ???? ?’ ??? ????? ????? ??? ????? ???? ?????? ?????? ?? ????? ??? ???? ?????? ??”? ??? ??????? ?????? ????? ?? ???? ????? ??????? ??????? (…..) ?? ???? ???? (???????), ?????? ?? ??????????? (……….) ?????? ??? ??? ??? ???? ?? ????? ??? ??? ????? ????? ??? ?????? ?? ??? ??? ???? ???? ??? ??? ????.
???? ????? ????? ????? ??? ??????? ???? ??????? ??? ?????? ??? ???? ???? ?”? ?????? ?? (????) ?? ??????? ??? ?????.
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