Define, Update, Upload milestones for sales order

This discussion was created from comments split from:

How to make invoice milestone amount and make the payment by milestone.

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Hello

For certain contracts, it is necessary to define milestones across multiple sites or sales orders, with the flexibility to amend them as needed to accommodate changes. For instance, pricing may be subject to periodic adjustments, requiring a bulk update while ensuring validation integrity. Specifically, it must be verified that the unit price for the item on the sales order line aligns with the total milestone value in the billing plan.

In Oracle R12, Is there an option/capability to Define - Update - Upload milestones for multiple sales orders at once? Kindly suggest.