Section 1041. Required findings concerning notice

No factfinding hearing
  may commence under this article unless the court enters a finding:
    (a) that the parent  or  other  person  legally  responsible  for  the
  child's  care  is present at the hearing and has been served with a copy
  of the petition; or
    (b) if the parent or other person legally responsible for the care  of
  the  child is not present, that every reasonable effort has been made to
  effect service under section  ten  hundred  thirty-six  or  ten  hundred
  thirty-seven.