Unions and health experts had urged even stronger limits.
The ads hammer Sens. Mary Landrieu and Jeanne Shaheen on the healthcare law.
Sen. John Boozman underwent heart surgery Tuesday at an Arkansas hospital.
"These individuals should not be punished, either through a tax penalty or lack of coverage, because of ongoing technical or process challenges associated with the Affordable Care Act," Rep. Kyrsten Sinema (D-Ariz.) said.
Sen. Ron Johnson (R-Wis.) said Monday that the Office of Personnel Management’s (OPM) rule allowing congressional staffers to receive employer-subsidized healthcare was a “stunning disregard for the law.”
Sen. Charles Schumer (D-N.Y.) on Monday urged the Food and Drug Administration to backtrack on a proposed rule requiring breweries to inspect spent grain used for cattle feed.
In a letter to FDA Commissioner Margaret Hamburg, Schumer said the regulation would reduce breweries' profits and waste grain.
Investigators found she solicited assistance from three groups regulated by HHS.
Some states have extended sign-up deadlines.
The agency is relaxing regs on eyelid weights for those with a rare medical condition.