49 CFR 236.109 - Time releases, timing relays and timing devices.

Regulations last checked for updates: Feb 09, 2026

Title 49 - Transportation last revised: Feb 03, 2026

View all text of Subpart A [§ 236.1 - § 236.110]

§ 236.109 - Time releases, timing relays and timing devices.

Time releases, timing relays and timing devices shall be tested at least once every twelve months. The timing shall be maintained at not less than 90 percent of the predetermined time interval, which shall be shown on the plans or marked on the time release, timing relay, or timing device.

[49 FR 3384, Jan. 26, 1984]

authority: 49 U.S.C. 20102-20103,20107,20133,20141,20157,20301,20306,20501,20701,21301,21304; 28 U.S.C. 2461 note; and 49 CFR 1.89

source: 33 FR 19684, Dec. 25, 1968, unless otherwise noted.

cite as: 49 CFR 236.109