There is currently no way to hide or delete authorised (or approved) PaySuper transactions so ones that need to be amended will still show as partially authorised (if 2 authorisations required)
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This is not simply an inconveniece. It is a security issue. There is nothing to stop another user logging on and seeing the item sitting there awaiting authorisation, and thinking it has been forgotten, so going ahead and authorising it. AT THE VERY LEAST it needs to show a notation that it has been reversed. Best case, it should be removed from the window altogether. This issue needs to be considered as a high priority, not just a "we'll fix it when we get around to it".
In fact, I had one that I inadvertently reversed twice as it was still sitting in the window and I thought the reversal had not gone through. Guess what, now I can't get rid of the reversal as there is no option to either reverse or delete the extra reversal transaction!!!