Expert Witness

YETTER provides litigation support and expert witness testimony when you need a specialist recognized by the court as having expert knowledge about evidence in a legal case. Diane L. Yetter is highly regarded for having the expertise needed to express an opinion about the validity of evidence in any case involving sales and use tax nexus, rates, collection or calculation. With extensive experience in teaching, training and providing courtroom testimony, she is able to convey her opinion in a way that can be easily understood.

That same in-depth industry experience and rigorous analysis allows Diane to help clients answer complex sales and use tax liability questions in litigation and regulation, develop strategies for changing markets and make critical business decisions.
 Whether she is in the courtroom or in a boardroom, Diane is an invaluable asset.

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What’s Next?

Do you have a pressing sales tax question and don’t know where to turn to for expert advice?
Get your question answered with a 1 hour private and personal phone consultation with leading sales tax expert Diane Yetter.

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Have specific questions related to economic nexus?
Get an analysis of your risk level post-Wayfair and get your questions answered.