Which action is essential for a guardian when managing the ward's finances?

Keeping detailed records of all transactions is essential for a guardian when managing a ward's finances because it ensures transparency and accountability. Proper documentation provides a clear audit trail of how the ward's assets are being managed, which is crucial for protecting the ward’s interests. It allows for regular reviews and assessments of financial activities, making it easier to demonstrate to the court and other stakeholders that the guardian is acting in the best interest of the ward.

Detailed record-keeping also serves to prevent any potential misuse of funds by allowing a comprehensive review of income, expenditures, and investments. This practice not only safeguards the ward's finances but also helps maintain compliance with legal obligations, as guardians are typically required by law to provide regular reports and updates on financial management to the court.