The BBC has given Terry Wogan's breakfast show a telling-off for allowing the presenter to keep plugging his TV chat show on air.
The BBC's editorial complaints unit said references to the DJ's chat show on UKTV Gold - Wogan: Now and Then - broke the corporation's producer guidelines on promoting commercial programmes and channels.
The move came following a listener complaint about the DJ's "repeated promotional references" to his autobiography, Mustn't Grumble, and his UKTV Gold show.
Though mentions of the book were deemed acceptable by the editorial unit, it identified three editions of the breakfast show between January and February this year where Wogan broke editorial guidelines with regards to his TV show.
The BBC editorial unit said: "The controller of Radio 2 will remind Terry Wogan and his producer of the requirements of the BBC editorial guidelines in this area."
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