Tyco International Ltd., Pembroke, Bermuda, instituted weekly teleconferences to discuss accounting and related disclosure issues with Mark H. Swartz, Tyco executive vice president and CFO. The teleconferences are Tuesdays at noon EST. Anyone can participate by calling (888) 276-0010. L. Dennis Kozlowski, chairman and CEO, said in an interview, "It is an open line for anyone who calls to ask questions, or just listen to the discussion. "The purpose of the calls is to clear up any questions on accounting or related disclosure practices of Tyco, he added.