Like an audit by an accounting firm, these boards often submit a Shariah audit for the annual report of the Islamic institution they represent and issue Shariah compliance certificates.
For more on what TIGTA found in its audit on tax preparer compliance with the new regs, you can read the December 2011 TIGTA report here (downloads as a pdf).
The Audit Commission's report warned the Labour-controlled council it must improve in its compliance with contract procedure rules, demonstrating good value for money, reporting to elected members and dealing with whistleblowers.