McDonald’s Corp may cut health insurance for its nearly 30,000 hourly workers unless U.S. regulators waive a requirement of new health care legislation championed by President Barack Obama, The Wall Street Journal reported, citing a company memo.

The restaurant chain is at odds over the new law’s stipulation that so-called “mini-med” insurance plans spend at least 80 percent of premium revenue on medical care, the newspaper said on its website on Wednesday.

McDonald’s told federal regulators in the memo that it would be “economically prohibitive” for its insurance carrier to continue to cover hourly workers unless it receives a waiver to the 80 percent minimum requirement, the Journal reported.