z/OS User Exits › z/OS Blockmode User Exits—IMS › TIRYYX—Two-Digit Year Input Edit Exit › Return Code

Return Code

Before returning this exit must restore registers 0-14 to their values on entry and update register 15 with a value of 4 to indicate that the YY modified by the exit should be used. Any other value, including 0, indicates the original values passed to the exit are acceptable to continue processing.