Here is the case: Manypenny v CIR.

More details from this article, and an excerpt:

Bachmann appears to have represented the IRS only twice in cases tried in U.S. Tax Court _ both small cases _ according to a search of judicial records by attorney Melissa Wexler, a research expert at Westlaw, a major provider of computerized records.

One was a win against a White Earth Indian Reservation resident named Marvin Manypenny, who contended that part of his modest income was not taxable under treaty rights.

Mary Streitz, the Minneapolis lawyer who represented Manypenny in that 1992 case, said she remembers Bachmann as “well dressed and professionally mannered.’’ She said the case was “very, very small’’ but had the twist of involving federal Indian law. Manypenny, she said, was sworn in with a peace pipe. Continue reading →