Updating Time Zone Definitions to Comply with Legislative and Other Changes
From time to time, legislative changes can impact the definitions of time zones, such as whether a time zone observes daylight saving time and the start or end date for daylight saving time observance. The PeopleSoft system provides updated time zone definitions in the next release following such a legislative change, and new customers as of that release receive the updated time zone data. However, existing customers upgrading to that new release do not receive the benefit of updated time zone data because customer time zone data is not changed during upgrade. In these cases, you can manually modify your time zone definitions to comply with changing rules.
As a specific example, the U.S. Energy Policy Act of 2005 changed time zone definitions in the U.S. and Canada. PeopleSoft-delivered data in the current PeopleTools release already reflects these changes. An appendix provides the procedure that you would use if you needed to update your time zone definitions to comply with this act.