Va. Code Ann. § 64.2-1705

Upon a guardian's request, the clerk shall redetermine the penalty of the guardian's bond in light of any reduction in the current market value of the estate under the guardian's control, whether such reduction is due to disbursements, distributions, valuation of assets, or disclaimer of fiduciary power, if such reduction is reflected in an accounting that has been confirmed by the circuit court or an inventory that has been approved by the commissioner of accounts. This provision shall not apply to any bond set by the court.