* You may take up to three Subject Tests on the same test date.
* You cannnot take bothe SAT and Subject Tests on the same test date.
* You need to indicate which Subject Test to take for registration, but you may change it on the test day
— except for Language with Listening.
•You can take only one Language with Listening test per test date.
* For Biology Test, you can take only one Biology Subject test per test date.
After the first 60 questions, you have to choose either Ecological or Molecular.
* Starting in Oct. 2017, Subject Test scores will be offered faster.