The public service broadcaster committed a "major breach" of broadcasting rules by not revealing that the narrator of a documentary about the Gaza situation was the child of a Hamas representative, as ruled by UK media regulator Ofcom.
An probe by the media regulator into Gaza: How to Survive a Warzone has concluded that the film was "materially misleading".
The BBC's director general had already issued an apology, noting there had been "a serious error in relation to truthfulness".
Ofcom has instructed the broadcaster to broadcast a prime-time statement about its findings.
"Given this constitutes a significant violation of our code, we are directing the broadcaster to broadcast a message of our findings against it on the BBC's second channel at 9pm, with a date to be finalised," the statement read.
'Risk to Damage Credibility'
The regulator's announcement stated: "Our investigation determined that the film's failure to disclose that the narrator's father held a role in the Hamas-controlled administration was materially misleading.
"This implied that the audience did not have vital facts which may have been highly relevant to their judgment of the voice and the information he shared.
"Trust is at the core of the relationship between a television network and its audience, particularly for a state-funded media outlet such as the public broadcaster.
"This error had the possibility to undermine the very considerable degrees of trust that audiences would have invested in a BBC factual programme about the conflict in Gaza."
The film was pulled from the BBC's streaming service in February after the presenter's personal associations came to light, and in the month of July an corporation's own inquiry concluded it breached the corporation's editorial guidelines on truthfulness.
A representative for the broadcaster stated: "The regulator's decision is in line 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 truthfulness, which corresponds to Rule 2.2 of the regulator's media standards.
"We expressed regret for this and we accept the regulator's ruling in full. We will comply with the directive as soon as the schedule and language are determined."
