You must wait 31 calendar days before retaking a failed test; otherwise, your second score will be invalidated. This rule applies to computer-based and paper-based tests.
To retake a test or subtest, you must submit a new registration and pay the retake fee (the retake fee policy applies beginning January 1, 2009; see "Test Fees and Payment Policies"). You may retake a test or subtest on computer or at a paper-based administration regardless of your original testing method.
The following guidelines apply to examinees retaking a test or subtest:
No extra testing time is given to examinees who are retaking a test or subtest.