Write off WIP balances
Log in to Time+Billing.
Select the client, then go to Input, Invoice (WIP).
Create a nil invoice by writing on and/or off the WIP balance, so the total invoice value is zero (0).
Select Post to post the invoice and reflect the changes on the client.
Note: There is no option to write off WIP in bulk. This process needs to be done one by one.
A nil invoice will be required if you want to write the WIP off completely.
Write off interim balances
In Time+Billing, an interim balance can be written off in a few steps f.
Log in to Time+Billing.
Select the client, then go to Input, Invoice (WIP).
Create a nil invoice by writing on and/or off the interim balance so the total invoice value is zero (0).
Click Post to post the invoice and reflect the changes on the client.