I'm waiting until next year to see how this year goes.  You might try starting here:

https://www.irs.gov/filing/e-file-forms-1099-with-iris

and going through the application instructions.  I read somewhere last month that it may take the IRS up to 45 days to process the applications (which may make it pretty useless this year), not sure how much truth is in that but time will tell.