The British broadcaster engaged in a "major breach" of broadcasting rules by not revealing that the presenter of a programme about Gaza was the son of a Hamas administrator, as determined by UK media regulator Ofcom.
An investigation by Ofcom into Gaza: How to Survive a Warzone has determined that the film was "materially misleading".
The BBC's director general had already issued an apology, noting there had been "a significant failing in relation to accuracy".
Ofcom has ordered the broadcaster to broadcast a peak-time statement about its decisions.
"Since this amounts to a significant violation of our rules, we are instructing the broadcaster to air a message of our findings against it on the BBC's second channel at 9pm, with a timing to be determined," the regulator stated.
'Potential to Damage Credibility'
The watchdog's statement declared: "Our probe determined that the film's omission to reveal that the presenter's parent held a post in the Hamas-controlled authority was significantly deceptive.
"Consequently that the public did not have essential details which may have been extremely pertinent to their assessment of the voice and the information he shared.
"Credibility is at the center of the bond between a media organization and its public, especially for a public service broadcaster such as the BBC.
"This oversight had the possibility to damage the exceptionally strong levels of confidence that viewers would have invested in a BBC factual programme about the Israel-Gaza war."
The film was withdrawn from the online platform in last February after the boy's personal associations were revealed, and in this past July an corporation's own inquiry determined it violated the organization's editorial guidelines on factual correctness.
A representative for the broadcaster commented: "The regulator's decision is in line with the findings of the internal assessment, that there was a major oversight in the film in relation to the corporation's content standards on factual correctness, which aligns with clause 2.2 of the authority's broadcasting regulations.
"We issued an apology for this and we comply with the regulator's ruling in complete. We will follow the sanction as soon as the timing and wording are determined."
