This from the White House:
Zero Taxes on Capital Gains from Key Small Business Investments: Under the Recovery Act, 75 percent of capital gains on key small business investments this year were excluded from taxes. The Small Business Jobs Act temporarily puts in place for the rest of 2010 a provision called for by the President – elimination of all capital gains taxes on these investments if held for five years. Over one million small businesses are eligible to receive investments this year that, if held for five years or longer, could be completely excluded from any capital gains taxation.
For the White House press release, see here. For more information on Section 1202 and qualified small business stock, please see my prior posts on this.