To attach a user bill to another user,

Note that the user must be logged out first.

  • Right-click the logged out user and click Pay.
    You can just also double-click the logged out user to bring up the pay bill screen.

  • Click on "Attach this bill to..." button.

  • Select the user's computer to which the bill will be attached.
    Double click the computer or click Select.

The bill will now be attached to the selected computer.