The public service broadcaster was found to have committed a "serious breach" of broadcasting rules by not revealing that the presenter of a documentary about the Gaza conflict was the son of a Hamas representative, according to regulatory body Ofcom.
An probe by the broadcasting watchdog into the documentary titled Gaza: How to Survive a Warzone has determined that the film was "substantially inaccurate".
The head of the BBC had already issued an apology, saying there had been "a major oversight in relation to accuracy".
The regulator has ordered the broadcaster to transmit a evening statement about its conclusions.
"As this represents a serious breach of our rules, we are directing the corporation to air a announcement of our conclusions against it on BBC Two at nine o'clock in the evening, with a date to be finalised," the statement read.
'Possibility to Damage Confidence'
The watchdog's report said: "Our investigation concluded that the programme's lack of disclosure that the narrator's male guardian held a position in the Hamas-controlled government was substantially inaccurate.
"Consequently that the viewers did not have critical information which may have been highly relevant to their judgment of the voice and the details he shared.
"Trust is at the core of the relationship between a television network and its audience, particularly for a public service broadcaster such as the public broadcaster.
"This error had the potential to erode the very considerable degrees of confidence that viewers would have placed in a documentary produced by the BBC about the conflict in Gaza."
The film was pulled from the online platform in last February after the narrator's family links were revealed, and in July an corporation's own inquiry determined it breached the corporation's editorial guidelines on truthfulness.
A corporation official stated: "The Ofcom ruling is in accordance with the results of Peter Johnston's review, that there was a serious error in the film in relation to the broadcaster's journalistic policies on accuracy, 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 date and wording are confirmed."
