Toward the end of a news article about Warren Buffett's hypocrisy for investing in the Burger King - Tim Hortons tax inversion, Bloomberg News reports:
On July 10, Representative Rosa DeLauro, a Connecticut Democrat, won a House roll-call vote on an amendment that would ban some inverted companies from securing U.S. government contracts. Thirty-four Republicans, including Michigan Representative Dave Camp, the pro-business chairman of the tax-writing Ways and Means Committee, voted with her...
The roll call for the amendment, which passed 221-200, is here; the other Republican "ayes" included Barton, Issa, Mica,and Ros-Lehtinen. The text of the amendment is not so easy to find online but similar text is here.