49 CFR 386.40 - Supplementation of responses.

Status message

There is 1 rule appearing in the Federal Register for 49 CFR 386. View below or at eCFR (GPOAccess)
§ 386.40 Supplementation of responses.
A party who has responded to a request for discovery with a response that was complete when made is under no duty to supplement his/her response to include information thereafter acquired, except as follows:
(a) A party is under a duty to supplement timely his/her response with respect to any question directly addressed to:
(1) The identity and location of persons having knowledge of discoverable matters; and
(2) The identity of each person expected to be called as an expert witness at the hearing, the subject matter on which he or she is expected to testify and the substance of his or her testimony.
(b) A party is under a duty to amend timely a prior response if he or she later obtains information upon the basis of which:
(1) he or she knows the response was incorrect when made; or
(2) he or she knows that the response though correct when made is no longer true and the circumstances are such that a failure to amend the response is in substance a knowing concealment.
(c) A duty to supplement responses may be imposed by order of the Assistant Administrator or the administrative law judge or agreement of the parties.

Title 49 published on 2013-10-01

The following are only the Rules published in the Federal Register after the published date of Title 49.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-01-22; vol. 79 # 14 - Wednesday, January 22, 2014
    1. 79 FR 3520 - Patterns of Safety Violations by Motor Carrier Management
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Motor Carrier Safety Administration
      Final rule.
      Effective February 21, 2014.
      49 CFR Parts 385 and 386

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code
Statutes at Large
Public Laws

Title 49 published on 2013-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR 386 after this date.

  • 2014-05-16; vol. 79 # 95 - Friday, May 16, 2014
    1. 79 FR 28471 - Electronic Logging Devices and Hours of Service Supporting Documents
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Motor Carrier Safety Administration
      Supplemental notice of proposed rulemaking; extension of comment period.
      FMCSA is extending the comment period for the supplemental notice of proposed rulemaking published on March 28, 2014 (79 FR 17656). You must submit comments by June 26, 2014.
      49 CFR Parts 385, 386, 390, and 395