None of them require subject tests if you submit the ACT plus writing (which is what I have). All of them recommend them 
“SAT and two SAT Subject Tests or ACT with Writing” is how they phrase it and that’s exactly how I interpret it.
None of them require subject tests if you submit the ACT plus writing (which is what I have). All of them recommend them “SAT and two SAT Subject Tests or ACT with Writing” is how they phrase it and that’s exactly how I interpret it.