physical capital maintenance concept
Only record hen asset is sold or liability is settled
Financial Maintenance concept
Recognize an asset as change in value occurs
Asc 820-Fair Value of assets
Trading Securites, AFS,Impairment losses of fixed assets, pension plans, All derivatives are always reported at fair value
Items do not quality for fair value
Pension plans, Post retirement and post employment.
Financial instrument that are component of equity
Leases
Share based payments and stock options