Invest in America Act of 2003 - Amends Internal Revenue Code provisions concerning controlled foreign corporations to allow, during the first taxable year of a U.S. shareholder ending 90 days after enactment, a limited dividend received deduction if the distribution is reinvested pursuant to a plan, approved by the president or chief executive officer of the U.S. shareholder prior to the distribution, under which the distribution is reinvested in the United States.