Let's try this:

Lat's pretend you are using 2-up forms to correct 1 form, and the second form will be blank.

First form = Corrected

Second form = Void (tells the machine reader to ignore it)

Now, google:

mail corrected 1099-nec

Follow the First Blog:

https://fincent.com/blog/correct-form-1099-nec-and-handle-errors-in-the-form