The auditor general shall cause an internal control review to be performed in municipalities with less than six hundred thousand dollars in revenue at least once every five years if:
The auditor general may cause an internal control review of any municipality with less than six hundred thousand dollars in revenue if it is requested by the governing body or he finds that special reason exists.
The auditor general shall develop the minimum procedures and reporting requirements for an internal control review. The governing body may require additional work to be performed as part of the internal control review contract.
The requirements for filing, publication and billing for services for an internal control review report shall be the same as that required for audits pursuant to chapter 4-11.
SDCL 4-11-4.1