This chapter describes two areas of legal theory that consider when means-based adjustments to legal rules may not be desirable. Under one perspective, means-based adjustments designed for redistributive purposes should be reserved for the tax system alone, since introducing means-based adjustments to other legal rules would entail greater efficiency costs. A second literature considers the desirability of a legal system that is impartial, nondiscriminatory, and general in its application. Subjecting taxpayers to different legal rules based on means could also undermine these important criteria. This chapter considers how means-based adjustments to the tax compliance rules should be evaluated from each of these perspectives, and why they would be justified even in cases where means-based adjustments to other legal rules would not be.