Ensure that RACF restrictions, such as length and character set of a user ID, are met by all commands that reach the driver shim. For more information about these restrictions, see Section 3.2, RACF Restrictions.
For information about driver processing subject to other RACF limitations, see Subscriber and Publisher Channel Processing, Section 3.1, Guidelines for Customization, and Section A.3, Driver Processing of Attributes and Commands.