The BBC committed a "serious breach" of industry standards by omitting to mention that the voice of a programme about the Gaza conflict was the offspring of a Hamas representative, according to UK media regulator Ofcom.
An probe by the media regulator into the documentary titled Gaza: How to Survive a Warzone has concluded that the documentary was "significantly deceptive".
The BBC's director general had earlier expressed regret, stating there had been "a major oversight in relation to truthfulness".
Ofcom has directed the corporation to transmit a prime-time announcement about its decisions.
"Given this constitutes a serious breach of our code, we are directing the corporation to air a statement of our determinations against it on the BBC's second channel at 9pm, with a date to be confirmed," it said.
'Potential to Damage Trust'
The authority's announcement stated: "Our probe determined that the programme's omission to reveal that the narrator's parent occupied a role in the Hamas-run authority was significantly deceptive.
"This implied that the audience did not have essential details which may have been highly relevant to their assessment of the narrator and the details he shared.
"Credibility is at the heart of the bond between a television network and its audience, particularly for a public service broadcaster such as the public broadcaster.
"This error had the possibility to damage the very considerable degrees of confidence that the public would have put in a factual film from the broadcaster about the Israel-Gaza war."
The film was removed from the online platform in February after the boy's personal associations came to light, and in July an broadcaster's internal assessment determined it breached the organization's journalistic standards on accuracy.
A representative for the broadcaster said: "The Ofcom ruling is in agreement with the results of the corporation's inquiry, that there was a serious error in the programme in relation to the BBC's Editorial Guidelines on accuracy, which corresponds to regulation 2.2 of Ofcom's Broadcasting Code.
"We have apologised for this and we agree with the authority's determination in full. We will comply with the directive as soon as the date and wording are determined."
