House Republicans sent a clear signal Wednesday that they wouldn’t preserve the health law in its current form if the Supreme Court guts a key provision, and the Obama administration responded with equal clarity that the states and Congress would be the ones responsible for resolving any fallout.

GOP legislators and Health and Human Services Secretary Sylvia Mathews Burwell set out their messages at a House Ways and Means Committee hearing Wednesday, during a week in which both sides are fine-tuning their strategies on the case.