On Thursday, April 14, 2011, the President signed into law:
H.R. 4, the "Comprehensive 1099 Taxpayer Protection and Repayment of Exchange Subsidy Overpayments Act of 2011," which repeals the expansion in the Affordable Care Act of requirements for businesses to report information to the Internal Revenue Service on payments for goods of $600 or more annually to other businesses and increases the amount of overpayment subject to repayment of premium assistance tax credits for health insurance coverage purchases through the Exchanges established under the Affordable Care Act.
Barack Obama, Statement by the Press Secretary on H.R. 4 Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/309194