without rational basis

See: capricious
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References in periodicals archive ?
21 appeal, stating that the denial was arbitrary, capricious or an abuse of discretion in that it was made without rational basis.
without any foundation character, the determination of the tax due is without rational basis, the Tax Court added.
5 million in 2002 for canceled timber contracts because the National Forest Service had ruled that the logging would disturb spotted-owl habitat based on judgments that were "arbitrary, capricious and without rational basis.