How has the Sarbanes-Oxley Act changed Public Accounting? Cite examples.

The first audit of the books of Marin Company was made for the year ended December 31, 2021. In examining the books, the auditor found that certain items had been overlooked or incorrectly handled in the last 3 years. These items are: 1.   At the beginning of 2019, the company purchased a machine for $468,000 (salvage value of $46,800) that had a useful life of 6 years. The bookkeeper used straight-line depreciation but failed to deduct the salvage value in computing the depreciation base for the 3 years. 2.   At the end of 2020, the company failed to accrue sales salaries of $50,000. 3.   A tax lawsuit that involved the year 2019 was settled late in 2021. It was determined that the company owed an additional $80,000 in taxes related to 2019. The company did not record a liability in 2019 or 2020 because the possibility of loss was considered remote, and charged the $80,000 to a loss account in 2021. 4.   Marin Company purchased a copyright from another company early in 2019…

Isn't government stock, from an accounting standpoint, just an ordinary accounting concept with a standard credit balance?

What is the impact of being registered with the Public Company Accounting Oversight Board?