---
kind: "section"
citation: "49 C.F.R. § 178.905"
title: "49"
number: "178.905"
heading: "Large Packaging identification codes."
url: "https://uscodex.org/cfr/49/178.905"
---

# §178.905. Large Packaging identification codes.


Large packaging code designations consist of: two numerals specified in [paragraph (a)](#a) of this section; followed by the capital letter(s) specified in [paragraph (b)](#b) of this section.

- (a) **Large packaging code number designations are as follows—** 50 for rigid Large Packagings; or 51 for flexible Large Packagings.
- (b) **Large Packagings code letter designations are as follows—**
  - (1) “A” means steel (all types and surface treatments).
  - (2) “B” means aluminum.
  - (3) “C” means natural wood.
  - (4) “D” means plywood.
  - (5) “F” means reconstituted wood.
  - (6) “G” means fiberboard.
  - (7) “H” means plastic.
  - (8) “M” means paper, multiwall.
  - (9) “N” means metal (other than steel or aluminum).

## Notes

### Source

Source: 75 FR 5397, Feb. 2, 2010, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.