Until this guidance, investors and their tax advisers had relatively little input from the IRS.
The new form will apply to workers who start new jobs in 2020.
Taxpayers who miscalculated how much they’ll owe won’t get hit with penalties -- up to a certain point.
The bill would make individual tax cuts permanent, but further balloon the U.S. budget deficit.
A vote on the second phase of tax cuts is still in the works, according to House Speaker Paul Ryan.