---
kind: "section"
citation: "49 C.F.R. § 40.183"
title: "49"
number: "40.183"
heading: "What information do laboratories report to MROs regarding split specimen results?"
url: "https://uscodex.org/cfr/49/40.183"
---

# §40.183. What information do laboratories report to MROs regarding split specimen results?

- (a) As the laboratory responsible for testing the split specimen, you must report split specimen test results by checking the “Reconfirmed” box and/or the “Failed to Reconfirm” box (Step 5(b)) on Copy 1 of the CCF, as appropriate, and by providing clarifying remarks using current HHS Mandatory Guidelines requirements.
- (b) **As the laboratory certifying scientist, enter your name, sign, and date the CCF.**

## Notes

### Amendments

[65 FR 79526, Dec. 19, 2000, as amended at 73 FR 35972, June 25, 2008]

### Authority

Authority: 49 U.S.C. 102, 301, 322, 5331, 20140, 31306, and 54101 et seq.

### Source

Source: 65 FR 79526, Dec. 19, 2000, unless otherwise noted.

### Amendments

[65 FR 79526, Dec. 19, 2000, as amended at 73 FR 35972, June 25, 2008]