http://www.legislation.gov.uk/anaw/2013/1/section/10/notesExplanatory Notes to School Standards and Organisation (Wales) Act 2013Welsh Assembly GovernmentKing's Printer of Acts of Parliament2014-10-06 1 4 March 2013 19 This section sets out the circumstances in which the Welsh Ministers may give a formal warning notice to a maintained school.  A warning notice is generally the start of the intervention process by the Welsh Ministers in a school, and may lead to the Welsh Ministers’ powers of intervention being exercised. 20 The Welsh Ministers may issue a warning notice to the governing body of a school where one or more of grounds 1 to 6 (set out in section 2) exist, but the local authority has not given a warning notice or has done so in terms the Welsh Ministers consider are inadequate. The warning notice will explain to the governing body the reasons why it is being given and the action that the governing body should take.