#	Letters of Interpretation
1	10/27/2017 - 1926.1052(c)(5) - Safety factor requirement in the design of handrails and top rails.
2	10/01/2012 - 1926.1052(b) - OSHA does not have the legal authority to evaluate and certify products.
3	10/28/2004 - 1926.1052(c) - Top rail and handrail requirements for stairrail systems under the construction standards.
4	10/28/2004 - 1926.1052(c)(7) - Top rail and handrail requirements for stairrail systems under the construction standards.
5	10/28/2004 - 1926.1052(c)(6) - Top rail and handrail requirements for stairrail systems under the construction standards.
6	10/28/2004 - 1926.1052, 1926.1052(c)(6), 1926.1052(c)(7), 1926.1052(c) - Top rail and handrail requirements for stairrail systems under the construction standards.
7	05/21/2003 - 1926.1052 - Fall protection requirements for an employee working from a ladder on a walking/working surface other than the ground.
8	05/23/2001 - 1926.1052 - OSHA compliance of Terra Flex stair system (models L-400 and A-500).
9	10/27/1992 - 1926.1052(a)(1) - Scaffold step unit towers when used for access to locations other than scaffold platforms.
10	10/01/1991 - 1926.1052 - Stairways used in construction.

#	Regulations
1	03/14/2001 - 1926.1052 - Stairways.

#	Federal Register
1	08/23/1991 - 1926.1052 - 56:41793 - Technical Amendment to Standard for Stairways and Ladders Used in the Construction Industry.
2	02/07/1991 - 1926.1052 - 56:5061 - Correction to Text of Final Rule on Safety Standards for Stairways and Ladders Used in the Construction Industry
3	11/14/1990 - 1926.1052 - 55:47660 - Final Rule on Safety Standards for Stairways and Ladders Used in the Construction Industry