revenue ruling

Definition from Nolo’s Plain-English Law Dictionary

A published opinion of the Internal Revenue Service stating what it would rule on future tax questions based on the same circumstances. These rulings are of general use to taxpayers, tax preparers, accountants, and attorneys in anticipating tax treatment by the IRS. They have the force of law until otherwise determined by the federal tax court or a new revenue ruling.

Definition provided by Nolo’s Plain-English Law Dictionary.