(1) Until the end of the 2003-2004 school year, unless the board or board of directors adopts its own local policy to the contrary, the board of a school district or board of directors of a public school academy shall not permit any pupil to carry a pocket pager, electronic communication device, or other personal communication device in school except for health or other unusual reasons approved by the board or board of directors. A board or board of directors may develop penalties that it considers appropriate for a pupil who violates this prohibition or its own policy.
    (2) Beginning with the 2004-2005 school year, subsection (1) does not apply and the board of a school district or board of directors of a public school academy may adopt and implement its own local policy concerning whether or not a pupil may carry a pocket pager, electronic communication device, or other personal communication device in school.