How do I enter the following US Government Federal Register item information into EndNote 6?

How would I enter the following APA style formatted Federal Register reference into EndNote 6?

What document type would I use?

How can I figure this type of thing out on my own?

CMS Medicare and Medicaid Programs; Electronic Health Record Incentive Program-Stage 3, 80 Fed. Reg. 16731 (March 30, 2015). Retrieved from https:// federalregister.gov/a/2015-06685

Thank you.