New Budget Scenario when Fiscal Year End Changes

Hello,

I have a change of year end from February 28 (old fiscal yearend) to December 31 (new fiscal year end)

I have several old budget scenarios in SAP which are still showing the old fiscal year end.

QUESTION:

How do I get the budget scenario to recognize the new fiscal year end of December 31st?

Thank you and kindest regards,

Veronica