# Letters of Interpretation
1 - 1910.28(b)(11)(ii) - Interim Enforcement Guidance for Handrail and Stair Rail System Requirements under 1910.28(b) and 1910.29(f)
2 - 1910.28(b)(11)(ii) - Stairway Width
# Federal Register
1 - 1910.28(b)(11)(ii) - 86:27332-27338 - Walking-Working Surfaces - PDF
# Regulations
1 Duty to have fall protection and falling object protection.