Section 920 - Public schools; infestation of bedbugs (Cimex lectularius)1. In a city school district having a population of one million or more inhabitants, the principal of each public school shall provide immediate notification to parents, persons in parental relation or guardians of potentially affected students attending the school, disclosing a finding relating to the infestation of bedbugs (Cimex lectularius) in such school; provided, however, that if pursuant to regulations of the commissioner it is determined that any infestation is contained within a discrete area, the principal may limit such notification to parents, persons in parental relationship or guardians of all potentially affected students within such area, and shall advise the parents' association of the scope of such notification.2. Along with the notification required pursuant to subdivision one of this section, the principal of such public school shall also include information regarding proper procedures to prevent further infestations at the school and to prevent the transfer of bedbugs from the school to the residences of students. Such information shall be developed by the board of education in consultation with other city agencies and shall be available in various languages as deemed necessary.3. The principal shall ensure that the bedbug infestation at the school is properly addressed in the most effective and safe manner.