There are several pieces of information that are synced between Xero and Re-Leased, and the sync is dependent on the type of information being passed.
Tax Rates
You will no longer be able to manage your Tax Rates in Re-Leased. The sync is only one-way, from Xero to Re-Leased.
Chart of Accounts
You will no longer be able to manage your Financial Accounts in Re-Leased. The sync is only one-way, from Xero to Re-Leased.
Tracking
Tracking is managed in Xero. The sync is only one-way, from Xero to Re-Leased.
Contacts
Contacts can be edited in both Re-Leased and Xero; any changes made will be synced between both systems. Contacts cannot be archived or unarchived in Re-Leased.
Invoices & Credit Notes
Invoices and Credit Notes can be added in both Re-Leased and Xero, and they will be synced with each other.
Note: There is a difference between the way that Invoices are approved once Xero Integration is setup. If an Invoice is set to status 'Waiting for Approval' then it can only be approved from Xero.
Invoices can still be set directly to 'Approved' status from within Re-Leased.
Bank Reference Lines
Bank Reference, Bank Name, Particulars & Code are all managed within Xero.
IMPORTANT NOTE: there is a 1:1 connection between each Re-Leased company and the corresponding Xero company. Once a Re-Leased company has been connected to a Xero company, it cannot be re-connected to any other Xero company.