This excerpt taken from the AN DEF 14A filed Apr 28, 2006.
Audit Committee Charter
38. In conducting this review, the Committee shall address all matters that it considers relevant to its performance, including at least the following: the adequacy, appropriateness and quality of the information and recommendations presented by the Committee to the Board, the manner in which they were discussed or debated, and whether the number and length of meetings of the Committee were adequate for the Committee to complete its work in a thorough and thoughtful manner.
39. The Committee shall present to the Board the results of its evaluation, including any recommended amendments to this Charter and any recommended changes to the Companys or the Boards policies and procedures.