When discrete beacon code capability does not exist in your area of responsibility, comply with the procedures specified in para 5-2-3, Nondiscrete Environment.
NOTE: In a mixed code environment, a situation may exist where a discrete-equipped position/sector exchanges control of aircraft with nondiscrete-equipped facilities or vice versa.
When discrete beacon code capability exists in your area of responsibility:
Comply with the procedures specified in para 5-2-2, Discrete Environment, and
Unless otherwise coordinated at the time of handoff, assign aircraft that will enter the area of responsibility of a nondiscrete-equipped position/sector an appropriate nondiscrete function code from the codes specified in para 5-2-6, Function Code Assignments, prior to initiating a handoff.