(a) In any proceeding to determine the amount of the bond of the guardian or conservator (whether at the time of appointment or subsequently), if the estate includes property which has been or will be deposited with a trust company or financial institution pursuant to Sections 2453 to 2456, inclusive, upon the condition that the property, including any earnings thereon, will not be withdrawn except on authorization of the court, the court, in its discretion, with or without notice, may so order and may do either of the following:

1. (1) Exclude the property deposited in determining the amount of the required bond or reduce the amount of the bond to be required in respect to the property deposited to such an amount as the court determines is reasonable.
2. (2) If a bond has already been furnished or the amount fixed, reduce the amount to such an amount as the court determines is reasonable.

(b) The petitioner for letters, or the proposed guardian or conservator in advance of appointment of a guardian or conservator, may do any one or more of the following:

1. (1) Deliver personal property in the person’s possession to a trust company.
2. (2) Deliver money in the person’s possession for deposit in an insured account in a financial institution in this state.
3. (3) Allow a trust company to retain personal property already in its possession.
4. (4) Allow a financial institution in this state to retain money already invested in an insured account in a financial institution.