Plan Access "No Updates Allowed" when the Due Date is passed

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Hello experts,

by standard it is not possible to prevent manager to edit compensation plan once the due date is passed.

In case, is it possible to manage the requirement in object by Fast Formula? If so, the proper formula type is Compensation Default Access Level?

Do you have some examples to share?

Thanks in advance for your time!

Kind Regards,

Valerio

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