The British broadcaster was found to have committed a "significant breach" of industry standards by not revealing that the narrator of a programme about Gaza was the offspring of a Hamas official, according to UK media regulator Ofcom.
An investigation by Ofcom into the documentary titled Gaza: How to Survive a Warzone has determined that the film was "materially misleading".
The head of the BBC had previously apologised, stating there had been "a significant failing in relation to accuracy".
The authority has instructed the corporation to broadcast a prime-time statement about its findings.
"As this represents a major infringement of our rules, we are ordering the broadcaster to transmit a statement of our findings against it on the BBC's second channel at nine o'clock in the evening, with a schedule to be determined," it said.
'Possibility to Damage Credibility'
The watchdog's report stated: "Our investigation found that the film's omission to reveal that the presenter's male guardian held a role in the Hamas-run administration was substantially inaccurate.
"This implied that the public did not have critical information which may have been very significant to their evaluation of the narrator and the details he shared.
"Confidence is at the core of the relationship between a television network and its public, particularly for a national broadcasting corporation such as the British Broadcasting Corporation.
"This oversight had the potential to undermine the significantly high levels of credibility that the public would have invested in a BBC factual programme about the Israel-Gaza war."
The programme was removed from the BBC's streaming service in last February after the narrator's personal associations came to light, and in this past July an corporation's own inquiry concluded it breached the organization's editorial guidelines on accuracy.
A representative for the broadcaster stated: "The authority's determination is in line with the findings of the internal assessment, that there was a major oversight in the programme in relation to the BBC's Editorial Guidelines on factual correctness, which reflects regulation 2.2 of the regulator's media standards.
"We have apologised for this and we agree with Ofcom's decision in its entirety. We will adhere to the directive as soon as the date and wording are confirmed."
