You missed the vital bit in your quote.
C.7. Subject to Rule C.17, if any two or more Clubs have scored the same number of
points, have the same goal difference and have scored the same number of goals in
League Matches in that Season; they shall be deemed to occupy the same position
in the table.
I lie - a play off
C.17. If at the end of the Season either the League Champions or the Clubs to be relegated
or the question of qualification for other competitions cannot be determined
because two or more Clubs are equal on points, goal difference and goals scored,
the Clubs concerned shall...