#	Letters of Interpretation
1	12/05/2023 - 1926.451(g) - Suspended scaffold and fall protection requirements applicable to elevator construction
2	06/20/2005 - 1926.451(g), 1926.451(g)(1) - Applicability of scaffold fall protection to guardrails near ladder access areas on scaffolds; toeboards across ladder access areas.
3	05/11/2005 - 1926.451(g), 1926.451(g)(1), 1926.451(g)(2), 1926.451(g)(2)(iii), 1926.451(g)(4), 1926.451(g)(4)(ix), 1926.451(g)(4)(v), 1926.451(g)(4)(vii), 1926.451(g)(4)(viii) - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
4	04/08/2005 - 1926.451(g) - Tie-in requirements for supported scaffolds; errors in Non-Mandatory Appendix E.
5	04/05/2005 - 1926.451(g), 1926.451(g)(1), 1926.451(g)(1)(vii), 1926.451(g)(1)(ii), 1926.451(g)(1)(iii), 1926.451(g)(1)(iv), 1926.451(g)(1)(v), 1926.451(g)(1)(vi), 1926.451(g)(4), 1926.451(g)(4)(i), 1926.451(g)(4)(vii), 1926.451(g)(4)(viii), 1926.451(g)(4)(ix) - Fall protection requirements for workers constructing a water tower while on a scaffold.
6	09/14/2004 - 1926.451(g), 1926.451(g)(1) - Fall protection requirements for employees working from a slide-out extension of a scissor lift platform.
7	03/25/2004 - 1926.451(g), 1926.451(g)(1), 1926.451(g)(2), 1926.451(g)(4) - Fall protection requirements for pump jack scaffold railings.
8	01/22/2004 - 1926.451(g), 1926.451(g)(2) - Use of portable ladders on tank builder's scaffolds during scaffold dismantling process in construction.
9	12/09/2002 - 1926.451(g), 1926.451(g)(4)(ii) - Fall protection requirements for employees working from a "work bridge" in concrete construction work
10	12/11/2001 - 1926.451(g), 1926.451(g)(4)(i), 1926.451(g)(1)(iv), 1926.451(g)(2) - Exemptions for installation of guardrails on wall (interior) side.
11	04/10/2001 - 1926.451(g) - Requirements of Interim Fall Protection Compliance Guidelines for Residential Construction for guardrails and fall protection during roofing work.
12	08/28/2000 - 1926.451(g) - Employees engaged in formwork over 6 feet high must have fall protection.
13	06/09/2000 - 1926.451(g) - Requirements for scaffold toprails and midrails;moving mobile scaffolds; outrigger frames.
14	02/23/2000 - 1926.451(g), 1926.451(g)(1)(vii) - Fall protection, training, inspection and design requirements of aerial lifts and scissor lifts/scaffolds.
15	02/18/1999 - 1926.451(g) - Anchoring of fall arrest system to aerial lifts; fall arrest vs. restraint systems.
16	04/20/1998 - 1926.451(g) - Waler (platform) covered by Subpart L; minimum scaffold platform width.
17	09/25/1995 - 1926.451(g) - OSHA's New Fall Protection Standard for the Construction Industry.

#	Regulations
1	03/14/2001 - - General requirements.