Issa is asking for all this information in his role as chairman of the House Oversight and Government Reform Committee. If CARB doesn't give him what he wants, Issa said he may issue a subpoena for the documents. We'll see how CARB responds by Issa's January 9 deadline. We imagine that Nichols will continue to respond as she did to one of Issa's earlier requests, when she said (PDF):
In other words, stop fishing.
Although I appreciate and support the Committee's mandate to conduct oversight of federal government operations, I would hope that, especially in this time of fiscal restraint, instead of choosing to re-examine legally discredited arguments the Committee would support the development of improved regulatory coordination at the federal level that generates jobs and benefits consumers, industry, American energy security, and Main Street economies.
To see how the Board has discussed the issue with the Congressman thus far, see this.