Yes, it is possible to record additional time to a Fixed Price task that has been invoiced.
Have a look at similar frequently asked questions or visit our FAQs page for more information
How do I export a list of unreceived purchase orders?
Does Tidy support tracking of inwards and outwards goods, live inventory counts, placing holds on items for future works, recording and tracking batch numbers, and assigning location(s) to items in the warehouse?
How do I add my logo and company name to invoices and delivery notes?
I want to sign up, but my trial has expired. What do I do?
How do you deal with my stock lists ensuring the most up to date are uploaded?