add a section below page header suppose it's "page header - b"
now create textbox in "page header - b" and paste terms & condition text in that
now right click "page header - b" and open property
formula window put below formula...
iif(pagenumber mod 2 = 0, false, true)
and set new page page after
formula same way for that section
if you want that after completion of a group 1 detail you want to show terms & condition then visit apprved solution of below link...