martina and Nellie, both caldndar year taxpayers, each own a 15% interest in Partnership MNO. Orron Inc whose fiscal year ends on March 30, 2019. owns a 70% onterest in partnership MNO

Martina and Nellie, both calendar year taxpayers, each own a 15% interest in Partnership MNO, Orron. whose fiscal year ends on March 30, 2019, owns 70% interestin Partnership Mno. Partnership MNO has not established a business purpose for using a different taxbyear, nor has it made a fiscal year tax year election. On what date does Partnership MNO is required taxbyear end?