ACCORDING TO THE LETTER quoted in its entirety in this post at PowerLine, the two of you (and/or your staffs) appear to be laboring under some sort of a misapprehension when you write:
We believe that Congress and the public have a right to know when individuals funding political ads and attempting to influence government decisions have a financial stake in the outcome. We certainly believe it would be wrong for any company to mislead Congress and the public by falsely describing its economic stake in legislation.
You may believe what you like, but it is not so — not by half. Congress has no rights. Period. Congress has powers and subsequent authority granted by the People through the Constitution and delegated to it by the States. As a body, Congress has no rights. Rights inhere only to individual persons. Nor is ANYONE blessed by our Creator with the right to know the private business of any other citizen.
Consider yourself spanked.
Oh, and by the way: (In case Koch Industries neglects this proper, fitting, and appropriate response.)
GO FUCK YOURSELF.