Summary: The ITC Test Translation and Adaptation Guidelines have been available for nearly 7 years, and numerous researchers and practitioners have provided comments on their strengths and weaknesses. This paper addresses three goals: First, comments on the 22 guidelines that have resulted from the numerous field-tests and reviews are presented. Second, where possible, specific suggestions for revising the ITC Guidelines are described. Finally, three suggestions for essential research to improve the methodology associated with translating and adapting tests are presented.