I don’t believe so, no. But call admissions to see if you can snail mail them later as an exception. I have no idea if they would grant that but I doubt it.
i have the same question. since uploading it to the portal is the preferred way of submitting, i don’t see how it can be held against us if we don’t receive the portal info until after jan 1? not sure tho. either way, when i get my portal, im going to upload the supplement