Under both U.A.A P and IFRS we report all changes in the obligation in the value of plan assets as they occur. The ways the changes are determined and reported are different, though, for some of the changes. The changes that constitute the components of the net pension cost are reported separately as (a) the service cost, (b) the net interest cost/income, and (c) remeasurement gains or losses. Under IFRS, past service cost is combined with current service cost and reported as service cost within the income statement rather than as a component of other comprehensive income as it is under U.S. GAAP. Under IFRS, gains and losses are nor recycled from other comprehensive income as is required under U.S. GAAP (when the accumulated net gain or net loss exceeds the 10% threshold). Also, the interest cost and return on plan assets are replaced by net interest cost/income (interest rate times the difference between the DBO and plan assets).