1.) Duplicate the former sheet and rename to "Data [year]". e.g. "Data 2023"
2.) On the new sheet, modify year on cell D1-01.
3.) On the new sheet, remove the previous order data from D2-02 up to 26th row.
4.) On google sheet menu, click "Extensions" -> "Apps Script" then update the year on line 15. Save by clicking the "Floppy disk" icon.