You can lock or unlock your Rho Card (or your employees' cards) from the Cards tab within the Rho dashboard.
To lock a card, first navigate to the Team Cards sub-tab and select the desired card. In the Card expansion page, click the Actions button, then select Lock Card from the dropdown menu.
A confirmation window will display asking you to confirm your change. Click the Yes, Lock Card button to finish.
Once a card has been locked, it will be inactivated and displayed in the Inactive Cards section of the My Cards page.
To unlock a card, follow the same steps, but click Unlock Card in the Actions menu. On the confirmation window display, click Yes, Unlock Card, and you'll then be able to use your card.