The SAT registration system does not allow you to directly switch test dates. Instead, you must cancel your current registration and then complete a new registration for your preferred test date. This involves logging into your My SAT account, selecting "Cancel Registration" from the menu, and then starting a fresh registration with a new test date, test center, and registration fee.

A cancellation fee of $29 applies if you cancel before the change deadline. If you cancel after the change deadline but before 11:59 p.m. ET on the Thursday prior to test day, the fee increases to $39. Additionally, you must pay the standard registration fee again when you re-register for your new test date.

If you qualify for a fee waiver, some fees related to late registration or test date changes may be waived. Students should consult the SAT Fee Waivers page for specific details on what costs can be reduced or eliminated under the waiver program.

After canceling, you should return to your My SAT account and begin a new registration for your preferred test date. You will need to select a test center, complete all required information, submit your registration, and pay the registration fee. Once completed, you must print your updated admission ticket, as this will be required for entry on test day.

Registration deadlines for changes, regular cancellation, and late registration are available on the SAT Dates and Deadlines page on the College Board website. It is important to monitor these dates carefully and initiate both cancellation and new registration well in advance to avoid last-minute issues.

The source content indicates that cancellation fees apply up until 11:59 p.m. ET on the Thursday prior to test day. It is advisable to complete any cancellations before this cutoff to avoid additional charges, as test day logistics and seat availability become increasingly limited as this deadline approaches.