This excerpt taken from the CSK 10-K filed Mar 10, 2006.
Remediation of Material Weakness
Management has researched and reviewed the detailed technical requirements related to the accounting for deferred tax asset valuation allowances, and has revised its policy regarding the presumed reversal pattern of taxable temporary differences. Management has documented its conclusions so that it can continue to be applied consistently and appropriately in future periods. Management believes that implementation of this action will effectively remediate the material weakness described above.