Supersedes HKAS 17 Leases, HK(IFRIC)-Int 4 Determining whether an Arrangement contains a Lease, HK(SIC)-Int 15 Operating Leases-Incentives and HK(SIC)-Int 27 Evaluating the Substance of Transactions Involving the Legal Form of a Lease. This webpage contains pronouncements, guides and articles that are relevantįinancial periods beginning on or after 1 January 2019.