Thune, who leads the Senate Republican Conference, introduced the measure Monday as members of the AFL-CIO met in Los Angeles for their annual conference.
“Union leaders are now awakening to the ugly reality of ObamaCare,” Thune said in a statement. “Now that the full consequences of the Democrats’ law are nearing, these same union leaders are seeking a special backroom deal from the White House.”
Union members’ multi-employer health plans are currently not eligible for the new tax subsidies offered under ObamaCare, which are designed to make health insurance more affordable. For-profit healthcare plans are eligible for the subsidies as part of the new insurance marketplaces that will launch Oct. 1.