Authorization criteria

z/OS® considers the program authorized if one or more of the following are true:

The program is an authorized program facility (APF) designated program.
The program is in supervisor state.
The program is executing with a protection key 0–7 inclusive.

For further information about operating system authorization, refer to the z/OS MVS Programming: Authorized Assembler Services Guide. This manual also describes the use of the operating system MODESET macroinstruction, which is used to enter supervisor state.