#	Standard Interpretations
1	12/20/2007 - 1926.501(b)(4), 1926.501(b)(4)(i) - Whether certain skylights meet the cover criteria of 1926 Subpart M.
2	09/05/2006 - 1926.501(b)(4) - When protective measures must be installed after a hole is created on a construction worksite.
3	11/17/2004 - 1926.501(b)(4), 1926.501(b)(4)(i), 1926.501(b)(4)(ii), 1926.501(b)(4)(iii) - Duty of a subcontractor to cover floor holes in a Multi-Employer work site.
4	03/10/2004 - 1926.501(b)(4) - Fall protection and controlled access zones for overhand bricklaying
5	08/14/2000 - 1926.501(b)(4) - Clarification of the terms "hole" versus "unprotected sides or edges."
6	04/15/1994 - 1926.501(b)(4) - Hatch Net 120 fall protection system

#	Regulations
1	03/14/2001 - - Duty to have fall protection.