I need help reversing a time and material invoice which has an incorrect date. When I go to the ProForma invoice to do a correction, it is telling me “You cannot make corrections to the pro forma invoice because it has at least one time and material line”. All lines are time and material. How do I reverse this invoice, is there another way? I have looked everywhere for an answer, please help.
How to reverse Time and Material invoice.
Hi Kandy,
Thank you for reaching out. Not sure which screenshot you would like to see. I have attached the error but I can send more information, just let me know what you need. :)
Hi Heidi,
Sadly, we are using the AIA report. We tried using the AR credit memo but our costs are now not available to rebill. Any other ideas? I will try anything.
Hi Chris, yes, Heidi was most helpful. I really appreciate you following up!
Hi, I get the same issue, can someone help me with it ?
We successfully reverse AR T&M invoices that were created with a proforma. The transactions then appear back on the project for new billing.
https://help.acumatica.com/Help?ScreenId=ShowWiki&pageid=c17cd276-5ac4-3e1e-a238-fa3ccdaa1e16
![](https://uploads-us-west-2.insided.com/acumatica-en/attachment/3061122a-9937-4ccc-b3a1-82e07eb192e4.png)
I noticed that if you have multiple time and material items for the same task / item / employee on your invoice, and then reverse it:
Then I reduce the quantity as I want to credit some of what I invoiced, the reversal of the project transaction, adds everything back instead of the items I changed.
Lets say I invoiced 5 of an item, then credited 3, it adds back all 5.
Seems like they cannot alter the quantity or the amount on the credit note, as it affects this.
Its been happening for a while - about a year. I think there is no way for them to reference which line it belongs to in the original proforma, so if no match, it just adds everything back on the PM reversal transaction. I did raise a ticket but no word yet, but suspect they will say its an enhancement request.
Off the top of my head its not an issue with amounts, but if they change the quantity.
They open up invoice made via a proforma, and actions > reverse. This invoice can have say 5 lines on it for same employee, same inventory ID but different dates. they only want to partially credit 1 of the lines. They delete off the lines they dont want to credit/ or leave them all on if they want to credit all.
Lets say one of the lines had 8 hours on it. They want to credit 5, so they change the qty to 5. They hope that 3 returns to WIP, but instead all hours that was on the original invoice instead returns in full.
If they dont change the quantity its fine. I havent really tested it with values, but definitely know it happens with qty.
Example:
Below is the original details on the Invoice that prepopulate when using the "Reverse" or the "Reverse and Apply to Memo". I then delete all lines except the one 8hr line for $1,120.00.
However, upon Release of the Credit Memo, it puts back both of the lines that were related to that Task / Employee / Item. See last image.
I am seeing this same functionality in the Sales Demo environment.
*I am trying to attach screenshots.
![](https://uploads-us-west-2.insided.com/acumatica-en/attachment/b968631b-757c-452d-997e-5ff44ce5a58c.png)
![](https://uploads-us-west-2.insided.com/acumatica-en/attachment/64d99032-60e0-424d-9a86-675d1a84625e.png)
Thank you for confirming functionality is to reverse all or nothing with T&M. Might I suggest this be explicitly noted in Acumatica document or showing a warning or an error to prevent users from reversing a portion of the T&M invoice lines. Very confusing.
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