increase and permanently extend a popular but costly tax credit for businesses’ research expenses, and to pay for it by closing other corporate tax breaks, according to administration officials.
Congress has extended it 13 times for as little as six months, and the uncertainty has long vexed businesses. It lapsed after 2009, and a proposal to renew it for this year is pending in the Senate.
Based on that history, the Treasury would probably give up as much as $100 billion in the coming decade
only research done in the United States is eligible.
Obama to Pitch Making Research Tax Credit Permanent - NYTimes.com