---
kind: "section"
citation: "14 C.F.R. § 1203.501"
title: "14"
number: "1203.501"
heading: "Applying derivative classification markings."
url: "https://uscodex.org/cfr/14/1203.501"
---

# §1203.501. Applying derivative classification markings.


Persons who apply derivative classification markings shall:

- (a) **Observe and respect original classification decisions—**
- (b) Verify the information's current level of classification so far as practicable before applying the markings; and
- (c) **Carry forward to newly created documents any assigned authorized markings.** The declassification date or event that provides the longest period of classification shall be used for documents classified on the basis of multiple sources.

## Notes

### Amendments

[44 FR 34913, June 18, 1979, as amended at 48 FR 5891, Feb. 9, 1983]

### Authority

Authority: E.O. 13526, E.O. 12968, E.O. 13549, E.O. 12829, 32 CFR part 2001, and 51 U.S.C., 20132, 20133.

### Source

Source: 44 FR 34913, June 18, 1979, unless otherwise noted.

### Amendments

[44 FR 34913, June 18, 1979, as amended at 48 FR 5891, Feb. 9, 1983]