Since we have had some inadvertent typos, let’s go straight to a source ... NFHS Baseball 2018 (I don’t believe there is a code where this is different, though the wording may be different).
SECTION 16 FOUL, FOUL TIP
ART. 1 . . . A foul is a batted ball:
a. which settles on foul territory between home and first base or between home and third base; or
b. that bounds past first or third base on or over foul territory; or
c. that first falls on foul territory beyond first or third base; or
d. that, while on or over foul territory, touches the person of an umpire or a player or any object foreign to the natural ground; or
e. that touches the ground after inadvertently being declared foul by an umpire.
f. that hits the batter in the batter's box; or
g. that hits the ground or home plate and then hits the batter or the bat which is held by the batter, while he is in the batter's box.
ART. 2 . . . A foul tip is a batted ball that goes directly to the catcher’s hands and is legally caught by the catcher. It is a strike and the ball is in play.