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Fall protection and OSHA coverage for a foreign employer's U.S. work

Summary A Canadian requester asked about fall protection while climbing and working on a steel lattice structure and about OSHA's reach. OSHA said employers must provide appropriate fall protection, but needed more facts to identify the precise requirements for that work. It said employees working in the United States are generally within OSHA's geographic coverage, subject to the Act's stated exceptions.
Document
Federal opinion letter
Agency
Occupational Safety and Health Administration (OSHA)
Document number
1991-07-12
Date issued
July 12, 1991
Status
Active
Status last verified October 9, 2026

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July 12, 1991
Mr. Victor T. Alksnis
[Recipient address omitted]
Dear Mr. Alksnis:
Thank you for your inquiry of April 29, requesting information regarding fall protection while climbing and working on a steel lattice structure resembling a communication tower. We apologize for the delay in responding.
Employers must provide employees working at heights with fall protection, such as personal fall protection systems, safety net systems, guardrail systems or other alternative fall protection. However, the information in your letter is not sufficient for us to thoroughly evaluate and respond to your concerns. If you should need a more detailed response from us, please provide us answers to the following questions:

  1. How is the steel lattice structure resembling a communication tower used?
  2. What type of work is required (construction, salvage, maintenance, up grading, or whatever type)?
  3. Is there a citation pending involving your above concerns?

In response to additional aspects of your inquiry, Canadian companies with employees working in the United States fall under the jurisdiction of the Occupational Safety and Health Administration (OSHA), as described in Section 4 of the Occupational Safety and Health Act (copy enclosed). The OSH Act specifies that it covers employees working in the United States, the District of Columbia, the Commonwealth of Puerto Rico, the Virgin Islands, American Samoa, Guam, the Trust Territory of the Pacific Islands, Wake Island, Outer Continental Shelf Lands Act, Johnston Island, and the Canal Zone. The only exceptions are employees of Federal Agencies, and State agencies acting under section 274 of the Atomic Energy of 1954 as amended (42 U.S.C. 2021). The exceptions are found in Section 4(b) of the Act. Federal employees are afforded equivalent protection under Executive Order 12196.
The proposed initial penalty for a serious violation related to fall protection can range from $1,500 to $7,000.00. The penalty for a repeated or willful violation can range as high as $70,000,00, and criminal willful violations can result in imprisonment of responsible parties and much higher monetary penalties, depending on the circumstances.
We have also enclosed the publication, ALL ABOUT OSHA, that provides answers to most of your other questions. We appreciate your interest in employee safety and health. Please do not hesitate to contact us again if you need further assistance.
Sincerely,
Patricia K. Clark, Director
Directorate of Compliance Programs

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