Jeppesen JeppView 3 - Manual (Page 157)

JeppView User's Guide
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• Changes that become effective mid-cycle on a specified date —
Jeppesen charts use an effective date if a chart is issued before it can be
used. In this situation, you should continue to use the previous chart until the
effective date. When an airport is expanded in the Airport List to reveal its
terminal charts, you will see the current chart and the future effective chart.
The future terminal chart has a green symbol on the icon to represent future
effectivity and displays information about when it will become effective.