DEAD LETTER

dead  letter.  1.  A  law  or  practice  that,  although  not  formally  abolished,  is  no  longer  used,

observed, or enforced. 2. A piece of mail that can be neither delivered nor returned because it lacks

correct addresses for both the intended recipient and the sender. [Cases: Postal Service    24.C.J.S.

Postal Service and Offenses Against Postal Laws § 20.] [Blacks Law 8th]