Tax controversy practitioners are undoubtedly aware of the gradual movement over the years to conform certain Tax Court procedure rules (Tax Court Rules) to those of the Federal Rules of Civil Procedure. In many ways, this makes sense to ensure uniformity of tax cases regardless of whether a taxpayer litigates his tax dispute in a refund forum in the US District Court or the US Court of Federal Claims, or prior to payment of tax in the Tax Court. Below we note a few important areas of divergence between the different rules, and point out situations where the Tax Court Rules do not address a particular matter. These matters were discussed at the recent Tax Court Judicial Conference held in Chicago last week.

Amicus Briefs

As we have discussed before, amicus briefs are not uncommon in other courts. However, the Tax Court does not have specific rules on the topic and, instead, permits each judge to decide a case-by-case basis whether to permit the filing of an amicus brief. Although the Tax Court has discussed standards for filing amicus briefs in unpublished orders, given the nationwide importance of many issues that arise in Tax Court litigation, it may be time for the court to issue specific rules addressing the issue.
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