Executive Order 12958: Classified National Security Information
President: Bill Clinton
Rebuilt the executive classification system with stricter classification standards, automatic declassification and public-interest review; a successor order now controls.
Status: Revoked.
Is Executive Order 12958 still in effect? No. Revoked and replaced by EO 13526 on December 29, 2009.
What does Executive Order 12958 do?
EO 12958 governed original classification, safeguarding, access and declassification of national-security information. It required identifiable damage to national security, encouraged challenges to improper classification, created automatic and systematic declassification rules, and assigned oversight to the Information Security Oversight Office. EO 13292 substantially amended it in 2003. EO 13526 revoked and replaced the regime in 2009, so current classification decisions are not governed by EO 12958.
Before and after
Before the order
EO 12356 governed classification without the same automatic-declassification architecture.
After the order
Agencies used new classification and declassification rules until EO 13526 replaced them.
Who had to do what
| Agency / office | Action | Timing / position |
|---|---|---|
| Agency classifiers | Apply the order’s classification standards | 1995–2009 |
| Agency review programs | Process automatic and systematic declassification | Under the former regime |
| ISOO | Oversee implementation | Until replacement |
What happened next
EO 12958 was signed.
The order took effect.
EO 13292 amended it.
EO 13526 revoked and replaced it.
Legal and source detail
How it works legally
Presidential classification authority operates alongside statutes, FOIA and judicial doctrines. EO 13526 is the current controlling executive order for this system.
Sources by type
If a source is unavailable, first check the cited publisher or another official repository. The cited publisher remains the authority.
Primary and official sources
Orders, laws, court records and official implementation material.
- GovInfo — EO 12958 (opens in a new tab) Order text
- GovInfo — EO 13526 (opens in a new tab) Order text
How we checked this
Last checked against the sources above on September 14, 2026. How we research →