The annual letter summarises the audit and inspection work undertaken by the External Auditor:

• annual audit letter 2020 - 2021 (pdf 5787 kb)
• annual audit letter 2019 - 2020 (pdf 467kb)
• annual audit letter 2018 - 2019 (pdf 308 KB)
• annual audit letter 2017 - 2018 (pdf 281 KB)
• annual audit letter 2016 - 2017 (pdf 343KB)
• annual audit letter 2015 - 2016 (pdf 366 KB)
• annual audit letter 2014 - 2015 (pdf 304kB)
• annual audit letter 2013 - 2014 (pdf 321kB) 
• annual audit letter 2012 - 2013 (pdf 191kB) 
• annual audit letter 2011 - 2012 (pdf 23.8kB)
• annual audit letter 2010 - 2011 (pdf 559kB)