After you file

I'm using Desktop version and Menu "Forms" --> "Remove ..." is what I used to delete the form.

Here's a portion of my 1040X with the $700 entered for the paid 2023 extension.

The $700 does not show up.  However, here is Schedule 3 Part II which DOES show it:

Shouldn't Sch 3 line 15 be entered on 1040X line 15?