AAA, Inc., BBB$,$ Inc. and CCC$,$ Inc. formed Jackson Hostile, a partnership, on January $1,2025.$ AAA, Inc. is a $50\%$ partner and the other two partners are $25\%$ partners each. AAA, Inc. uses a fiscal year for tax reporting having a year end of October $31.$ BBB$,$ Inc. uses the calendar year for reporting and CCC$,$ Inc. uses a fiscal year with a year end of February $28/29.$

Explain how $($calculations not required$)$ the required year end of Jackson Hostile is determined. $$