On the occurrence of any specially suspicious circumstance, he appointed extraordinary commissions of inquiry, which, armed with all the power of the crown, proceeded to the suspected quarter, took evidence, and made a careful report of whatever wrongs or malpractices they discovered.
When guilt was brought home to incriminated persons or parties, the punishment with which they were visited was swift and signal.

We have seen how harsh were the sentences passed by Chosroes upon those whose offences attacked his own person or dignity.

An equal severity appears in his judgments, where there was no question of his own wrongs, but only of the interests of his subjects.

On one occasion he is said to have executed no fewer than eighty collectors of taxes on the report of a commission charging them with extortion.

Among the principal reforms which Chosroes is said to have introduced was his fresh arrangement of the taxation.