"Please commit to not bring to the House floor any legislation that provides or allows funds to implement ObamaCare through the Department of Health and Human Services, the Department of the Treasury, or any other federal entity," the lawmakers wrote.
The move comes as other House conservatives signal support for a six-month CR that would not include controversial riders, like a provision to defund the Affordable Care Act.
Any CR at the "post-sequester level" is a "big win," said former Republican Study Committee (RSC) chairman Jim Jordan (Ohio).
“I support the approach,” current RSC Chairman Steve Scalise (La.) said Tuesday.