You either mail it or efile it using QEF Quick Employer Forms. It doesn't go with your tax return. You have to give a copy to the person you paid by Jan 31. That is for 1099NEC you issue. If you receive a 1099NEC you enter it on your personal tax return. Two different things, issuing and receiving a 1099NEC. 2 different kinds of tax returns.
A 1099NEC you receive goes on your Schedule C in your 1040 tax return.
