The British broadcaster committed a "major breach" of industry standards by omitting to mention that the voice of a programme about the Gaza situation was the offspring of a Hamas representative, according to UK media regulator Ofcom.
An probe by the broadcasting watchdog into the programme Gaza: How to Survive a Warzone has determined that the programme was "substantially inaccurate".
The BBC's director general had already issued an apology, stating there had been "a serious error in relation to truthfulness".
Ofcom has instructed the corporation to transmit a evening announcement about its decisions.
"As this represents a major infringement of our code, we are ordering the BBC to transmit a announcement of our conclusions against it on BBC Two at 21:00, with a schedule to be confirmed," the regulator stated.
'Potential to Damage Confidence'
The authority's report said: "Our probe found that the film's omission to reveal that the voice's father occupied a position in the Hamas-run government was materially misleading.
"It meant that the audience did not have vital facts which may have been very significant to their judgment of the narrator and the content he shared.
"Credibility is at the heart of the relationship between a television network and its public, notably for a state-funded media outlet such as the British Broadcasting Corporation.
"This failing had the risk to damage the very considerable levels of confidence that viewers would have invested in a BBC factual programme about the Israel-Gaza war."
The film was pulled from iPlayer in last February after the boy's family links came to light, and in this past July an corporation's own inquiry concluded it breached the corporation's journalistic standards on truthfulness.
A corporation official said: "The regulator's decision is in accordance 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 aligns with Rule 2.2 of the regulator's media standards.
"We have apologised for this and we comply with the regulator's ruling in its entirety. We will adhere to the sanction as soon as the date and wording are determined."
