… Patrick Michaels was invited to contribute to Chapter 8. He declined to do so. One of the lead authors of Chapter 8, Tom Wigley, wrote to Pat Michaels on November 21, 1994, and on February 21, 1995, soliciting comments on the portrayal of Michaels’s Franklin Institute paper in a December 8, 1994 version of Chapter 8. Prof. Michaels did not respond to these requests.
Gelbspan, R. (1998) Page 235
From the point of view of someone who does not support the creation of a regime that constrains carbon emissions, this “makes sense.” At the end of the same year John Houghton faced a similar situation at the Madrid meeting of the IPCC. An ad hoc group was formed to discuss concerns about Chapter 9. The Saudis chose not to participate.