Nondeductible Terminable Interest Rule
nondeductible terminable interest rule n: a rule in estate tax law: the value of a property interest that passes to a surviving spouse may not be deducted if it passes from the surviving spouse to another person for less than adequate consideration upon the happening of some event (as the passing of a period of time)
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.