CHAPTER 4 PHYSICAL SECURITY AND LAW ENFORCEMENT STRUCTURE CROSSOVER POINTS CP-19 encourages the concept of movement between its various career areas. All crossover assignments are subject to applicable qualifications standards, however, a number of crossover points are indicated on the career ladders (Appendix A). They represent some of the more recognized crossover points in the career program. They are not intended to be the exclusive crossover points. It should further be noted that some crossover points may result in a reduction in grade to accommodate developmental programs. Crossover assignments are not mandatory for career development.