Is the company required to submit another request to the Chief Boiler Inspector after the variance expires? Chris April 09, 2018 16:54 Updated Follow No Tennessee Department of Labor/Workplace Regulations and Compliance/Boilers Related articles What happens after the variance expires? Which vessels are required to be inspected? How do I get a copy of the boiler rules and regulations? What are the fees for inspecting boilers and pressure vessels? Comments 0 comments Please sign in to leave a comment.