Can I change my test date or test center on test day?
No. To be considered for admission to the test center, you must bring a printed copy of your ticket. The correct test center and test date must be listed on your ticket. If you bring a ticket for another test date or a different test center, you will not be admitted. You must also bring acceptable photo identification.
The only change you can make on the day of the test is your test option—ACT or ACT with writing. Tell the test supervisor at your test center that you want to make this change before you are admitted to test. If there are materials, space, and staff available for your new preferred test option after students registered for that option have been admitted, you will be allowed to make the change. If you change to the ACT with writing, ACT will bill you. See current ACT fees.