The Press Complaints Commission investigated, on an own-volition basis, whether a payment by The Scottish Sun to a witness in a criminal trial breached Clause 15 (Witness payments in criminal trials) of the Editors' Code of Practice.

Wilton Park School complained to the Press Complaints Commission through solicitors, on its own behalf and on behalf of seventeen pupils at the School, that an article headlined 'Probe into strict Christian sect school that ‘shut up' girl pupil for 37 days....for making Facebook page', published by The Mail on Sunday on 20 January 2013, breached Clause 6 (Children) of the Editors' Code of Practice.

Ms June McKibbin complained to the Press Complaints Commission, via solicitors, that an article headlined 'Deadly duo...woman knows who killed my brother', published by the Sunday World on 16 June 2013, had intruded into her private life in breach of Clause 3 (Privacy) of the Editors' Code of Practice.

Mike Jempson, Director of the MediaWise Trust, complained to the Press Complaints Commission that an article headlined 'EU uses public cash to back groups that want to stifle Press freedom', published in the Daily Mail on 15 April 2013, was inaccurate and misleading in breach of Clause 1 (Accuracy) of the Editors' Code of Practice.

Mike Jempson, Director of the MediaWise Trust, complained to the Press Complaints Commission that an article headlined 'EU puts £2.3m into ‘Mediadem' project as it seeks a Europe-wide regulation over journalists', published by The Drum on 14 April 2013, was inaccurate and misleading in breach of Clause 1 (Accuracy) of the Editors' Code of Practice.

Mike Jempson, Director of the MediaWise Trust, complained to the Press Complaints Commission that an article headlined 'EU pours millions into groups seeking state control of the press', published by The Sunday Telegraph on 14 April 2013, was inaccurate and misleading in breach of Clause 1 (Accuracy) of the Editors' Code of Practice.

Sir Christopher Geidt, Private Secretary to HM The Queen, complained via solicitors to the Press Complaints Commission that in three articles published on 8 May 2013, The Guardian had published inaccurate claims in breach of Clause 1 (Accuracy) of the Editors' Code of Practice.

A man complained to the Press Complaints Commission that an article headlined 'Planning investigation: ‘we'd say cut down trees before they object'', published by The Daily Telegraph on 11 March 2013, contained information which had been obtained using subterfuge in breach of Clause 10 (Clandestine devices and subterfuge) of the Editors' Code of Practice and was misleading in breach of Clause 1 (Accuracy) of the Code.

Dr Nicholas Russell complained to the Press Complaints Commission, with the consent of his brother Judge Anthony Russell QC, that an article headlined 'Stuart Hall judge visited gay brothel', published by the Daily Mirror on 24 June 2013, had discriminated against the Judge and intruded into his privacy in breach of Clause 12 (Discrimination) and Clause 3 (Privacy) of the Editors' Code of Practice.

Mr Danny Simpson complained through Lewis Silkin solicitors to the Press Complaints Commission that a front page article headlined 'Tulisa's stolen my bloke... and I'm 3 months pregnant' and a further article headlined 'As far as I'm concerned, we were still together... I'm numb', published in The Sun on 16 November 2012, were inaccurate in breach of Clause 1 (Accuracy) of the Editors' Code of Practice.