In the rule “Disks”, replace:

If a Disk’s Effect begins with “Trigger:”, then it may be activated by the Runner whose Stack it is in within 24 hours of when the triggering event described in that Disk’s Effect takes place.

with:

If a Disk’s Effect begins with “Trigger:”, then a Runner may Activate it if all of the following are true:
*The Disk is in that Runner’s Stack
*It has been less than 24 hours since the triggering event described in the Disk’s Effect last took place
*The Disk has not been Activated since the triggering event described in the Disk’s Effect last took place