Check the vendor Financial settings. The Primary Currency is likely set to CAD. The currencies subtab will require the additional currency setup. Help for this field states: Select the currency that this vendor uses. If you use the Multi-Currency Vendors feature, select this vendor’s primary currency. You can enter other transaction currencies on the Currencies subtab below. To view existing currencies or add currencies to this list, go to Lists > Accounting > Currencies.

vendor has all of those currencies set on them. And bills & regular payments can be made in any of them. But if I make a prepayment in CAD, and then if a vendor bill is USD later, I cant apply that prepayment to it since prepayment is in CAD but bill is USD. This means the prepayment keeps waiting until a CAD bill actually comes in which is rare

Hi @Parth I think that the currencies in the related transactions must all match. I am not aware of NetSutie doing currency transaction gain/loss calculations for this use case. Sorry I do not have more information to share.