The statutory audit work of the statutory auditor(s) is subject to an annual engagement plan and work programme, drawn up in writing, which take into account the legal form of the audited person or entity, its size, the nature of its activities, any control exercised by the public authority, the complexity of the engagement, and the specific methodology and technologies used by the statutory auditor(s).
The engagement plan describes the general approach to the work.
The work programme defines the nature and extent of the due diligence estimated to be necessary, during the financial year, to implement the plan, taking into account legal requirements and professional practice standards; it indicates the number of working hours allocated to the performance of this due diligence.
The engagement plan and the work programme shall be placed in the file provided for in II of Article R. 823-10.