I think it just redirects you to email their generic admissions email address. It's not a special form or anything. I asked for a merit based waiver and got one (well, got several as I was confused like you and asked in multiple places :-P)
... I just reread my fee waiver from Northwestern. It expires December ... I request an application fee waiver?"
But I only know ... had given me the fee waiver. Sorry for any confusion.
I emailed my top 6 schools, the ones that replied said that it does not hurt my chances of admission, and one even threw in a fee waiver to get me to apply this year :)
... here. I received my Columbia waiver on the 7th, which is ... weird that they sent the waiver in December when my only ... was a high scoring fee waiver batch in hindsight. So you ...