(c) District-wide school safety plans and building-level emergency response plans. District-wide school safety plans and building-level emergency response plans shall be designed to prevent or minimize the effects of violent incidents and emergencies and to facilitate the coordination of schools and school districts with local and county resources in the event of such incidents or emergencies. (1) District-wide school safety plans. A district-wide school safety plan shall be developed by the district-wide school safety team and shall include, but not be limited to: (xi) policies and procedures relating to school building security, including, where appropriate: a. the use of school safety or security officers and/or school resource officers. Beginning with the 2019-20 school year, and every school year thereafter, every school shall define the areas of responsibility of school personnel, security personnel and law enforcement in response to student misconduct that violates the code of conduct. A school district or charter school that employs, contracts with, or otherwise retains law enforcement or public or private security personnel, including school resource officers, shall establish a written contract or memorandum of understanding that is developed with stakeholder input, including, but not limited to, parents, students, school administrators, teachers, collective bargaining units, parent and student organizations and community members, as well as probation officers, prosecutors, defense counsels and courts that are familiar with school discipline. Such written contract or memorandum of understanding shall define the relationship between a school district or charter school, school personnel, students, visitors, law enforcement, and public or private security personnel. Such contract or memorandum of understanding shall be consistent with the code of conduct, define law enforcement or security personnel's roles, responsibilities and involvement within a school and clearly delegate the role of school discipline to the school administration. Such written contract or memorandum of understanding shall be incorporated into and published as part of the district safety plan

10. Every school shall define the roles and areas of responsibility of school personnel, security personnel and law enforcement in response to student misconduct that violates the code of conduct. A school district or charter school that employs, contracts with, or otherwise retains law enforcement or public or private security personnel, including school resource officers, shall establish a written contract or memorandum of understanding that is developed with stakeholder input, including, but not limited to, parents, students, school administrators, teachers, collective bargaining units, parent and student organizations and community members, as well as probation officers, prosecutors, defense counsels and courts that are familiar with school discipline. Such written contract or memorandum of understanding shall define the relationship between a school district or charter school, school personnel, students, visitors, law enforcement, and public or private security personnel. Such contract or memorandum of understanding shall be consistent with the code of conduct, define law enforcement or security personnel’s roles, responsibilities and involvement within a school and clearly delegate the role of school discipline to the school administration. Such written contract or memorandum of understanding shall be incorporated into and published as part of the district safety plan.