---
kind: "section"
citation: "49 C.F.R. § 220.27"
title: "49"
number: "220.27"
heading: "Identification."
url: "https://uscodex.org/cfr/49/220.27"
---

# §220.27. Identification.

- (a) Except as provided in [paragraph (c)](#c) of this section, the identification of each wayside, base or yard station shall include at least the following minimum elements, stated in the order listed:
  - (1) **Name of railroad.** An abbreviated name or initial letters of the railroad may be used where the name or initials are in general usage and are understood in the railroad industry; and
  - (2) **Name and location of office or other unique designation.**
- (b) Except as provided in [paragraph (c)](#c) of this section, the identification of each mobile station shall consist of the following elements, stated in the order listed:
  - (1) **Name of railroad.** An abbreviated name or initial letters of the railroad may be used where the name or initial letters are in general usage and are understood in the railroad industry;
  - (2) Train name (number), if one has been assigned, or other appropriate unit designation; and
  - (3) When necessary, the word “locomotive”, “motorcar”, or other unique identifier which indicates to the listener the precise mobile transmitting station.
- (c) If positive identification is achieved in connection with switching, classification, and similar operations wholly within a yard, fixed and mobile units may use short identification after the initial transmission and acknowledgment consistent with applicable Federal Communications Commission regulations governing “Station Identification”.

## Notes

### Authority

Authority: 49 U.S.C. 20102-20103, 20103 note, 20107, 21301-21302, 20701-20703, 21304, 21311; 28 U.S.C. 2461 note; and 49 CFR 1.89.

### Source

Source: 63 FR 47195, Sept. 4, 1998, unless otherwise noted.