The BBC was found to have committed a "serious breach" of broadcasting rules by failing to disclose that the voice of a documentary about Gaza was the offspring of a Hamas administrator, according to British broadcasting authority Ofcom.
An probe by Ofcom into the documentary titled Gaza: How to Survive a Warzone has determined that the film was "substantially inaccurate".
The BBC's director general had previously apologised, saying there had been "a major oversight in relation to truthfulness".
Ofcom has instructed the BBC to transmit a evening announcement about its decisions.
"Since this amounts to a major infringement of our rules, we are directing the corporation to air a announcement of our determinations against it on BBC Two at nine o'clock in the evening, with a schedule to be confirmed," the regulator stated.
'Potential to Undermine Trust'
The authority's announcement stated: "Our investigation concluded that the programme's omission to reveal that the voice's parent occupied a post in the Hamas-administered administration was substantially inaccurate.
"Consequently that the audience did not have vital facts which may have been highly relevant to their assessment of the voice and the information he shared.
"Trust is at the core of the relationship between a broadcaster and its public, notably for a state-funded media outlet such as the British Broadcasting Corporation.
"This failing had the potential to erode the very considerable degrees of confidence that viewers would have invested in a factual film from the broadcaster about the conflict in Gaza."
The film was withdrawn from iPlayer in February after the boy's family links came to light, and in this past July an broadcaster's internal assessment found it breached the broadcaster's journalistic standards on accuracy.
A corporation official stated: "The authority's determination is in line with the results of the internal assessment, that there was a serious error in the documentary in relation to the corporation's content standards on accuracy, which corresponds to clause 2.2 of the regulator's media standards.
"We have apologised for this and we agree with the authority's determination in complete. We will follow the sanction as soon as the schedule and language are finalised."
