#	Federal Register
1	07/16/2024 - 1910.146(c)(2) - 89:57944-57946 - Permit-Required Confined Spaces Standard; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - PDF
2	06/23/2021 - 1910.146(c)(2) - 86:32978-32980 - Permit-Required Confined Spaces; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - PDF
3	05/22/2018 - 1910.146(c)(2) - 83:23724-23726 - Permit-Required Confined Spaces; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - PDF
4	04/27/2015 - 1910.146(c)(2) - 80:23297-23300 - Permit-Required Confined Spaces; Extension of the Office of Management and Budget's (OMB) Approval of Collection of Information (Paperwork) Requirements - PDF

#	Standard Interpretations
1	09/21/2006 - 1910.146(c)(2) - Requirements for developing entry procedures for permit-required confined spaces.
2	02/08/2005 - 1910.146(c)(2) - Questions regarding the Permit-Required Confined Space standard, 1910.146, and the Grain Handling standard, 1910.272.
3	07/22/1998 - 1910.146(c)(2) - Requirements for posting signs for PRCSs.
4	03/18/1998 - 1910.146(c)(2) - OSHA's policy concerning repeat violations and requirements for PRCS sign posting.
5	12/30/1993 - 1910.146(c)(2) - Federal posting requirements.

#	Regulations
1	07/24/2003 - - Permit-required confined spaces

#	Settlement Agreement
1	06/21/1994 - - Industry Settlement Agreement - Steelworkers - 06/21/1994