GAAP and IFRS. These include: Revenue Recognition, Leases, Financial Instruments, Consolidations, Derecognition, Fair Value Measurement, Financial Statement Presentation, and Financial Instruments with Equity Characteristics. Some IFRS/GAAP differences can be adjusted through general ledger journal entries or chart of accounts structuring and do not require system changes at the subledger level. This approach will however vary depending on the structure of the organization and the environment described above in Potential system impacts of an IFRS