---
kind: "section"
citation: "6 C.F.R. § 37.19"
title: "6"
number: "37.19"
heading: "Machine readable technology on the driver's license or identification card."
url: "https://uscodex.org/cfr/6/37.19"
---

# §37.19. Machine readable technology on the driver's license or identification card.


For the machine readable portion of the REAL ID driver's license or identification card, States must use ISO/IEC 15438:2006(E) (incorporated by reference; see [§ 37.4](/cfr/6/37.4.md)). The PDF417 bar code standard must have the following defined minimum data elements:

- (a) **Expiration date.**
- (b) Full legal name, unless the State permits an applicant to establish a name other than the name that appears on a source document, pursuant to [§ 37.11(c)(2)](/cfr/6/37.11.md?p=c-2).
- (c) **Date of transaction.**
- (d) **Date of birth.**
- (e) **Sex.**
- (f) Address as listed on the card pursuant to [§ 37.17(f)](/cfr/6/37.17.md?p=f).
- (g) **Unique driver's license or identification card number.**
- (h) Card design revision date, indicating the most recent change or modification to the visible format of the driver's license or identification card.
- (i) **Inventory control number of the physical document.**
- (j) **State or territory of issuance.**

## Notes

### Amendments

[73 FR 5331, Jan. 29, 2008, as amended at 88 FR 44192, July 12, 2023; 90 FR 21690, May 21, 2025]

### Authority

Authority: 49 U.S.C. 30301 note; 6 U.S.C. 111, 112.

### Source

Source: 73 FR 5331, Jan. 29, 2008, unless otherwise noted.

### Amendments

[73 FR 5331, Jan. 29, 2008, as amended at 88 FR 44192, July 12, 2023; 90 FR 21690, May 21, 2025]