The public service broadcaster committed a "serious breach" of industry standards by failing to disclose that the voice of a film about the Gaza situation was the son of a Hamas official, as ruled by UK media regulator Ofcom.
An inquiry by the broadcasting watchdog into the documentary titled Gaza: How to Survive a Warzone has determined that the documentary was "materially misleading".
The head of the BBC had previously apologised, stating there had been "a major oversight in relation to accuracy".
Ofcom has ordered the broadcaster to air a peak-time announcement about its decisions.
"Given this constitutes a major infringement of our regulations, we are ordering the broadcaster to air a announcement of our conclusions against it on BBC2 at 9pm, with a timing to be determined," the regulator stated.
The watchdog's announcement declared: "The inquiry we conducted concluded that the film's omission to reveal that the presenter's father held a role in the Hamas-controlled administration was materially misleading.
"Consequently that the viewers did not have essential details which may have been highly relevant to their assessment of the narrator and the details he provided.
"Credibility is at the center of the bond between a television network and its audience, especially for a national broadcasting corporation such as the British Broadcasting Corporation.
"This error had the potential to undermine the exceptionally strong levels of credibility that viewers would have put in a BBC factual programme about the Gaza conflict."
The documentary was pulled from iPlayer in last February after the narrator's family links were revealed, and in July an internal BBC review found it violated the organization's journalistic standards on accuracy.
A BBC spokesperson commented: "The authority's determination is in agreement with the results of the corporation's inquiry, that there was a major oversight in the programme in relation to the broadcaster's journalistic policies on accuracy, which aligns with Rule 2.2 of the authority's broadcasting regulations.
"We issued an apology for this and we agree with the regulator's ruling in complete. We will follow the directive as soon as the date and wording are determined."
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Rebecca Mullins
Rebecca Mullins
Rebecca Mullins
Rebecca Mullins
Rebecca Mullins