Can you register for one SAT test, and then decide to take two more on the day of?

Test Preparation SAT Subject Test Preparation
1

<p>I heard this is possible. Is this true? Like, signing up for one SAT II Subject Test and taking an additional two.</p>

<p>Thank you for your time.</p>

2

<p>Yup, that’s what I did today. they just send you a bill.</p>