Question : How to suppress a page header when only a sub report is visable (in group footer 1b)

How to suppress a header when only a sub report is visable (in group footer 1b)?  I have new page after grolupb footer a and I want to conditionally suppress the page header text.

I currently have the following formula:
if pagenumber = 1 then yes else
If OnFirstRecord or {Command.PlanID} <> Previous ({Command.PlanID}) then
    True
Else
    False

Thanks for the help!

Answer : How to suppress a page header when only a sub report is visable (in group footer 1b)

I used if NextIsNull as my suppression criteria and it worked out just fine.

Thanks!