The following aren't supported in the Xero integration:
Contacts and invoices using multi-currency in Xero can't sync to Re-Leased. You will need to unlink these from the connection between Re-Leased and Xero. Once unlinked it's recommended to make the contact inactive in Xero and create a new contact in your local currency.
Journal entry payments
Journal entry payments can't sync from Xero to Re-Leased.
Archive contacts within Re-Leased
If a contact is archived in Re-Leased, the change won't be synced to Xero. The contact will also need to be archived in Xero.
Refunds created in Xero can't be synced to Re-Leased.