From the homepage, select 'Configuration'.
Select the 'Company management' option.
Select the 'Connection' option.
Select the 'Configure' option next to 'Configure new connector'.
Select 'Connect to another finance system' from the available options.
Select which month your financial year starts.
For your system to process invoices correctly, you need to upload data to synchronise with your finance system.
To complete connection configuration, see Configuration > Reference Data Management.