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When you perform articulation:
Y displays in the Articulate Indicator field.
N will display if no articulation is performed.
Overriding articulation requires you to enter a value of O in the Articulate Indicator field.
When you un-articulate:
Y becomes null
O does not change
All records with N are not unarticulated, as no articulation was previously performed
When courses are rolled to history, they are no longer visible in SHATAEQ. To make changes, they must be deleted from history. That will put the courses back into SHATAEQ for changes.