By July 1, 2008, the Mayor shall develop a standardized form for posting emergency response information. The information shall be posted in all schools and shall include: (1) An explanation of the symptoms and possible consequences of conditions covered by this subchapter; (2) The names of all the employees or agents of the particular school who are trained and certified to administer medication in emergency circumstances; and (3) The emergency response steps, as identified by the Mayor, to be taken by the school.