The Management Representation Letter (MRL) — what to include, when to date, what it means.
To obtain written representations from management that complement and supplement other audit evidence.
SA 580 sits in the Concluding phase of the audit. The Standards on Auditing are issued by the ICAI Auditing and Assurance Standards Board (AASB) and deemed to be prescribed by the Central Government under Section 143(10) of the Companies Act 2013. Compliance with SAs is mandatory for every audit conducted by a Chartered Accountant in India.
For authoritative text, refer to the ICAI AASB Compendium of Standards on Auditing at icai.org.