49 CFR 231.20 - Variation in size permitted.

§ 231.20 Variation in size permitted.

To provide for the usual inaccuracies of manufacturing and for wear, where sizes of metal are specified, a total variation of 5 percent below size given is permitted.

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

Title 49 published on 2015-12-03

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR Part 231 after this date.

  • 2016-07-01; vol. 81 # 127 - Friday, July 1, 2016
    1. 81 FR 43105 - Implementation of the Federal Civil Penalties Inflation Adjustment Act Improvements Act for a Violation of a Federal Railroad Safety Law or Federal Railroad Administration Safety Regulation or Order
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Railroad Administration
      Interim final rule.
      This interim final rule is effective August 1, 2016.
      49 CFR Parts 209, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, and 272