Colorado Insurance Commissioner Marguerite Salazar sent a letter to the state’s congressional delegation today warning members that continued uncertainty about potential changes in federal health-care law could have a “disastrous” impact on the state’s individual health-insurance market.

Roughly 400,000 Coloradans buy insurance through the individual market. And the seven insurers that provide individual policies on the Connect for Health Colorado exchange, as well as the 10 that offer them off-exchange, are required to submit proposals for 2018 premiums in the next few weeks.

Because of the uncertainty about whether Congress will make major changes to the Affordable Care Act, a number of carriers have “expressed deep concerns” to Salazar that may cause those insurers to raise their premiums next year, she wrote.

Read more at the Denver Business Journal.