The phrase "administration secret" is correct and usable in written English.
It can be used to refer to confidential or classified information related to the administration of an organization or government.
Example: "The whistleblower revealed an administration secret that could change the course of the investigation."
Alternatives: "confidential information" or "classified detail".
Congress backed down, establishing a precedent suggesting that former presidents wield lingering powers to keep matters from their administration secret.
Subsequent reporting over many months would reveal denials from President Richard Nixon's administration, secret payoffs, damaging recordings, indictments, and convictions, all culminating in impeachment proceedings for Nixon two years later.
I was told it was standard for presidents to choose the 12 year maximum to hold the documents, which are put in categories like national security, senior administration, secret, etc.
Seymour M. Hersh talks about the Bush Administrations secret campaign against Iran.
No less odious than the administration's secret arrests are its secret trials.
More recently, Silverglate notes, there were calls on the right to prosecute the Times and the Post under the Espionage Act of 1917 after their 2005 exposure of the Bush administration's secret wiretapping program (the Times) and the CIA's secret prisons in eastern Europe (the Post).
PUBLIC GUIDELINES The administration keeps secret its standards for putting people on terrorist or assassination lists.
It ended a form of surveillance that traced back to the George W. Bush administration's secret post-Sept.
The Bush administration, in secret connivance with Blair, has spent four years preparing for "Operation Iranian Freedom".
The Obama Administration tried secret diplomacy during unpublicized visits by senior officials in 2011, 2012, and 2014.
Eric Lichtblau, a reporter for The Times, shared a Pulitzer Prize in 2006 for revealing the administration's secret surveillance program.
