Obamacare's tax credits: Tell me again how they work?

When the marketplace open enrollment period under the new health care law begins on Oct. 1, the tax credits will be ready and waiting for eligible citizens and legal residents who earn between 100 percent and 400 percent of the federal poverty level.

http://www.ledger-enquirer.com/2013/09/24/2707920/obamacares-tax-credits-tell-me.html#storylink=rss