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Hey Corrigo,

I've come across some strange handling of dates in the system. The issue I'm describing here is around InvoiceDate -- it's possible the issue is more widespread, but my tests so far have focused on just the one spot.

When PUTing invoices, for the InvoiceDate field:

• Our (third party) system stores raw dates
• Corrigo's UI handles raw dates

However, Corrigo's API both expects and returns datetimes.

Furthermore, it seems to alter the time that's sent through.

From my testing:

• Sending '2024-02-14T16:00:00+00:00' results in Corrigo storing/returning '2024-02-14T8:00:00+00:00'
• Sending '2024-02-14T8:00:00+00:00' results in Corrigo storing/returning '2024-02-14T0:00:00+00:00'
• Sending '2024-02-14T0:00:00+00:00' results in Corrigo storing/returning '2024-02-13T16:00:00+00:00'

ie, it subtracts 8 hours each time! This is worst in that third case, because the UI then truncates that to the previous day!

My question to the experts:

• This looks like a bug, can you please confirm that this is unintentional and that you should be capturing dates here rather than datetimes?
• Is the 8 hr difference significant? Can i assume it'll always be subtracting 8hrs, and work off that heuristic as workaround?
• Is this more prevalent across the board? Can i make the same assumptions around date handling for all other places in the corrigo API (eg dates on RequiredDocuments)?

Cheers,