On May 2, 2009, Transport Canada published a notice in the Canada Gazette announcing that they have revised TSD No. 118, Power-Operated Window, Partition, and Roof Panel Systems. TC states that the text of the revised TSD, Revision 1, is based on FMVSS 118, Power-Operated Window, Partition, and Roof Panel Systems, as published in the U.S. Code of Federal Regulations, Title 49, Part 571, revised as of October 1, 2008.