---
kind: "section"
citation: "47 C.F.R. § 5.71"
title: "47"
number: "5.71"
heading: "License period."
url: "https://uscodex.org/cfr/47/5.71"
---

# §5.71. License period.

- (a) **Conventional experimental radio licenses.**
  - (1) **The regular license term is 2 years.** An applicant may request a license term up to 5 years, but must provide justification for a license of that duration.
  - (2) A license may be renewed for an additional term not exceeding 5 years, upon an adequate showing of need to complete the experiment.
- (b) **Program, medical testing, and compliance testing experimental radio licenses.** Licenses are issued for a term of 5 years and may be renewed for up to 5 years upon an adequate showing of need.
- (c) **Broadcast experimental radio license.** Licenses are issued for a one-year period and may be renewed for an additional term not exceeding 5 years, upon an adequate showing of need.
- (d) **Spectrum Horizons experimental radio license.** Licenses are issued for a term of 10 years and may not be renewed.

## Notes

### Amendments

[78 FR 25162, Apr. 29, 2013, as amended at 84 FR 25690, June 4, 2019]

### Authority

Authority: 47 U.S.C. 154, 301, 302, 303, 307, 336.

### Source

Source: 78 FR 25162, Apr. 29, 2013, unless otherwise noted.

### Amendments

[78 FR 25162, Apr. 29, 2013, as amended at 84 FR 25690, June 4, 2019]