Mo. Rev. Stat. § 473.223: Settlement.

The surviving partner may continue in possession of the partnership estate, pay its debts, and settle its business, shall account to the executor or administrator of the estate of the decedent, and shall pay over such balances as from time to time are payable to him. Upon the verified petition of the executor or administrator or on its own motion the probate division whenever it appears necessary may order the surviving partner to account to the court.