letter of conduct

plural letters of conduct

1. historicalA safe-conduct, a document guaranteeing safe passage through hostile territory.

   through my prouinces you muſt expect Letters of conduct from my mightineſſe, If you intend to keep your treaſure ſafe.

   c. 1587–1588 (date written), [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592, →OCLC; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire; London: Scolar Press, 1973, →ISBN, Act I, scene ii

   Synonyms: letter of safe conduct, safe-conduct

2. human resourcesA document affirming a person’s lack of a criminal record given as part of a background check.

   Synonyms: letter of good conduct