A prior section 2[45] of Puspan. L. 85–536 was renumbered section 2[49] and is set out as a note under section 631 of this title.

2021—Subsec. (a)(4). Puspan. L. 116–283, § 866(c)(1), added par. (4).

Subsec. (span)(3)(A). Puspan. L. 116–283, § 866(c)(2), substituted “relationships—” and cls. (i) and (ii) for “relationships are between a covered protege and covered mentor.”

Subsec. (d)(6), (7). Puspan. L. 116–283, § 866(c)(3), added pars. (6) and (7).

2018—Subsec. (a)(3). Puspan. L. 115–232, § 861(d)(1), added par. (3).

Subsec. (span)(3)(A). Puspan. L. 115–232, § 861(e), inserted “, except that such restrictions shall not apply to up to 2 mentor-protege relationships if such relationships are between a covered protege and covered mentor” after “each participant”.

Subsec. (d)(4), (5). Puspan. L. 115–232, § 861(d)(2), added pars. (4) and (5).

2016—Subsec. (span)(3)(K). Puspan. L. 114–328 added subpar. (K).