Why can't I change my expenses if I made a mistake? June 29, 2020 16:27 You can edit your expenses at any time until they have been approved by clicking Edit next to any expense. Related articles I incurred expenses in a non-USD currency. How do I add it to my expense report? When will I get paid? How do I add my day rate and per diem to my expense report? How do I update my workers compensation coverage?