Group Check Out, Manage Stay, check out list, event reference, event title, group checkout, outstanding balance, unselect guest, guest account, statement of account, settle account, confirm checkout, mass checkout, individual checkout, guest departure, KxResidential, group event, checkout workflow, UK: check-out, US: checkout, UK: guest, US: guest, UK: account, US: account, group billing, guest settlement, checkout confirmation, guest list, event management