How to change the enddate of the customer account sites uses such as Bill to and ship to in Bulk

Summary:

We are trying to change the enddate of the customer account sites uses such as Bill to and ship to.

We are looking for a FBDI or API approach. We are using 19 sheet FBDI. wanted to know which sheets should be filled up and how to proceed.

If thats not a right approach, please suggest other approaches

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