dead letter

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dead letter

a law or ordinance that is no longer enforced but has not been formally repealed
References in periodicals archive ?
Bar code accuracy and the elimination of dead letters are key to postal service efficiency," said Sal Cali, vice president, Symbology Products and Services, Symbol Technologies.
sticky threads-- And pull out catalogs, postcards, ads, dead Letters,
the stories are not just about tepid academics in search of dead letters but about poets and mystics and the nature of desire.
Their debut UK single In The Shadows is still number 3 in the UK charts and the album Dead Letters is number 10 in the album charts.
If the State Legislature does not act on the Governor's budget by the next fiscal year, the bills in the Governor's budget become dead letters.