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There are two parts of Title 17 which relate to position limits: Part 150 (Limits on Positions) and Part 151 (Position Limits for Futures and Swaps). This page is about the former; for details of the latter see the dedicated Part 151 page.
Part 150 has been around for a while, having first been published in the Federal Register on 20 October 1987 (see 52 FR 38923). It has been updated several times since then:
| Reference | Date | Section(s) Impacted |
|---|---|---|
| 52 FR 38923 | 28 October 1987 | (original regulation) |
| 53 FR 41571 | 24 October 1988 | §150.1 (amended) and §150.3 (added/replaced?) |
| 56 FR 14315 | 9 April 1991 | §150.1 (amended) and §150.3 (amended) |
| 57 FR 44492 | 28 September 1992 | §150.1 (amended) and §150.3 (amended) |
| 58 FR 17981 | 7 April 1993 | §150.1 (amended) |
| 58 FR 17982 | 7 April 1993 | §150.3 (amended) |
| 59 FR 5528 | 7 February 1993 | §150.6 (amended) |
| 60 FR 38193 | 25 July 1995 | §150.3 (amended) |
| 64 FR 24046 | 5 May 1999 | §150.1 (amended) |
| 64 FR 24048 | 5 May 1999 | §150.5 (new/added) |
| 67 FR 62353 | 7 October 2002 | §150.3 (amended) |
| 76 FR 71684* | 18 November 2011 | §150.2 (replaced) |
| 81 FR 91489 | 16 December 2016 | §150.1 (amended) and §150.3 (amended) |
| 81 FR 91490 | 16 December 2016 | §150.4 (replaced) |
| 82 FR 28770 | 26 June 2017 | §150.3 (amended) and §150.4 (amended) |
| 83 FR 7997 | 23 February 2018 | §150.3 (amended) and §150.5 (amended) |