In case guest would like to change the address on the closed bill, you will need to find under guest's profile requested bill and open it.

Now, by clicking on customer’s name next to “Customer” tab, you will be able to update the address. In case guest wants to have it assigned to the particular company address and may as well you option “Assign” and choose requested company. If you don’t have one yet, you will need to create it and then follow earlier mentioned steps.

Note: You can only change the address/company details within the Editable History Window, once this window elapses, you cannot make adjustments to the bills. (You could ask your Admin to open the window, if this is critical)