In an article by journalist Kat Greene, we get to know that the city council of Washington, D.C. imposed a tax on all health insurers. The plan was submitted by the city's DC Health Link insurance exchange. It empowers the districts to impose tax on all health-insurance carriers for exchange funding. 

To read more, visit the following link: http://www.law360.com/articles/535633/dc-council-approves-tax-to-aid-health-exchange