The public service broadcaster engaged in a "significant breach" of broadcasting rules by failing to disclose that the voice of a programme about the Gaza conflict was the child of a Hamas representative, according to UK media regulator Ofcom.
An inquiry by the broadcasting watchdog into the documentary titled Gaza: How to Survive a Warzone has concluded that the film was "significantly deceptive".
The chief executive of the broadcaster had previously apologised, noting there had been "a major oversight in relation to factual correctness".
The authority has ordered the broadcaster to transmit a prime-time announcement about its findings.
"Given this constitutes a serious breach of our rules, we are instructing the BBC to broadcast a message of our determinations against it on BBC Two at nine o'clock in the evening, with a timing to be determined," it said.
'Potential to Erode Trust'
The regulator's announcement declared: "Our investigation found that the film's lack of disclosure that the narrator's parent occupied a position in the Hamas-administered authority was significantly deceptive.
"This implied that the audience did not have essential details which may have been highly relevant to their evaluation of the voice and the content he shared.
"Confidence is at the heart of the relationship between a television network and its viewers, particularly for a state-funded media outlet such as the British Broadcasting Corporation.
"This error had the possibility to undermine the significantly high degrees of confidence that audiences would have invested in a BBC factual programme about the Israel-Gaza war."
The film was removed from the online platform in the month of February after the presenter's family links came to light, and in the month of July an internal BBC review found it violated the broadcaster's content policies on accuracy.
A BBC spokesperson said: "The authority's determination is in line with the results of the corporation's inquiry, that there was a major oversight in the film in relation to the broadcaster's journalistic policies on factual correctness, which aligns with regulation 2.2 of the regulator's media standards.
"We issued an apology for this and we accept the authority's determination in its entirety. We will comply with the directive as soon as the schedule and wording are confirmed."
