The Export-Import Bank cannot make news loans, having lost its authorization. However, it could still remain in business for years, handling the exisiting loans. Conservative senators have a bill to bring about a quick liquidtion.
http://blogs.rollcall.com/wgdb/six-senators-demand-ex-im-bank-liquidatio...
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.