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The set of rules and legislation governing certain actions. For example, the U.S. Tax Code and the rules the IRS publishes regulate federal taxation in the United States. In securities, regulations often require companies to disclose their actions to see to it that as much information as possible is publicly available. Other regulations govern business practices; for example they may set minimum or maximum wages and salaries, prohibit discrimination on certain grounds, and/or ban certain policies or practices deemed unfair for consumers or competitors. While nearly everyone agrees that some regulations are necessary, there is significant disagreement as to how many and what kind. Proponents of more regulation state that it ensures a fair market place and sustainable growth, while critics argue that many regulations do more harm than good.
The IRS Commissioner publishes his interpretation of the tax Code in the form of regulations. They do not have the force and effect of law except in those cases in which the law on a particular subject calls for rules on that subject to be expounded through regulations.