Which of the following statements is correct with regard to IFRS and GAAP?

(a) Under GAAP, all potential liabilities related to uncertain tax positions must be recognized.

(b) The tax effects related to certain items are reported in equity under GAAP; under IFRS, the tax effects are charged or credited to income.

(c) IFRS uses an affi rmative judgment approach for deferred tax assets, whereas GAAP uses an impairment approach for deferred tax assets.

(d) IFRS classifi es deferred taxes based on the classifi cation of the asset or liability to which it relates.