06/15/2012 10:32 am ET Updated Aug 15, 2012

Lawmakers Question Small-Business Group NFIB's Funding

House lawmakers want to know who's paying for a small-business group's costly lawsuit that seeks to strike down the federal health-care reform law.

The National Federal of Independent Business, a non-profit small-business lobby based in Washington, D.C. with roughly 340,000 members, is a lead plaintiff in the legal challenge to the Affordable Care Act, initially launched by 13 states back in May 2010.

The lawsuit has since worked its way to the Supreme Court, which heard the case in March and is expected to rule later this month.

The group, whose members typically have 10 to 15 employees, says it brought the lawsuit on behalf of small-business owners - many of whom are struggling with weak sales and can't afford health-care coverage, as required under the law. It says that mandate is unconstitutional.

Read more on The Wall Street Journal