Yesterday the House Rules Committee held a hearing on the proposed lawsuit against President Obama's illegal actions. The prepared statements of the witnesses can be found on the Committee's website.
http://rules.house.gov/bill/113/h-res-PIH-President-Litigation
The Conservative Caucus is a public policy organization, contributions to which are not tax deductible. The IRS has determined TCC to be a 501(c)(4) organization, exempt from Federal income tax. TCC can receive corporate donations.