how to change enterprise start date

Summary:

We need to change the Enterprise start date in seniority date for Original Hire date to the Original Hire date . How can this be achieved?

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For example orginial Hire date is 1/1/2026, entity start date int he seniority dates is 10/1/2026. I need to change this only in the seniority dates to match to 1/1/2026.

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