Form 8453 and Form 2848

I can bring up Form 8453 under Forms, but an unable to enter any information on it.  Further, I am unable to print it either.  When I try to print it, I have to select from a list provided in TT and it is not shown on the list so it can not be printed. 

 

Secondly, Form 2848 is not available under "Forms" in TT.    I am unable to find it anywhere it TT.  Every other kind of form is shown, but not this one.  What do I do?