Editorial misjudgments that led to BBC Radio 2 recording and broadcasting 'grossly offensive' remarks about the actor Andrew Sachs' granddaughter, had been compounded by the involvement of Brand's own production company, Vanity Projects, the BBC Trust said in its review of the situation.
According to the Trust's Editorial Standards Committee, Radio 2 failed to ensure there was a sufficiently senior producer from Brand's company overseeing the programme and the individual broadcast in question.
Concerns were also raised that there was no BBC executive producer present at the recording of the Brand show that prompted the review.
"There will be tighter controls on programmes produced by an independent owned and/or managed by the featured performer or his agent," said Sir Michael Lyons, chairman of the Trust, at a press conference announcing the findings of the review.
Recommendations for these new controls will be made by the Trust next month, and their impact reviewed once implemented, he added.
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