Rho allows you to set an Approval Threshold. Any transaction that exceeds the specified threshold must be approved by the number of specified Approvers.
To configure this threshold, access the Security Tab section of the Administration page, and click Edit Settings.
Configure the desired options, and click Save Changes:
Select the number of Designated Approvers who must approve any transaction that exceeds the specified Approval Threshold.
Specify the amount of money in US Dollars that a transaction must exceed to require approval from the specified number of Designated Approvers.
Click the drop-down list to select the members of your organization who can approve transactions that exceed the Approval Threshold.