under seal

See also: underseal

English[edit]

Bearing a seal.
The letter was delivered under seal.
(law) Legally bound not to be disclosed.
The terms of the settlement will remain under seal indefinitely.
- 2023 July 14, Brittney Mejia, Libor Jany, Richard Winton, “LAPD refused to ID officers behind a huge fireworks explosion. Now we have their names”, in Los Angeles Times‎^[1]:
  Other members of the LAPD who were involved in the disaster have also remained anonymous, their discipline under seal.