See https://ttlc.intuit.com/questions/3405095
Summary of the info at that
excellent link:
-There is a BIG risk when filing without an
actual W-2
-You can not actually file before Jan 23, 2017
-You cannot get a refund before Feb 2, 2017
-If you are getting a refundable credit ( money
from the IRS in addition to your withholding), you cannot get a refund before
Feb 27, 2017
