The BBC committed a "serious breach" of industry standards by failing to disclose that the presenter of a documentary about the Gaza situation was the child of a Hamas representative, according to UK media regulator Ofcom.
An inquiry by Ofcom into the programme Gaza: How to Survive a Warzone has determined that the programme was "significantly deceptive".
The head of the BBC had previously apologised, saying there had been "a significant failing in relation to accuracy".
Ofcom has directed the broadcaster to broadcast a peak-time announcement about its findings.
"Given this constitutes a serious breach of our regulations, we are ordering the broadcaster 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.
'Risk to Damage Trust'
The regulator's announcement said: "Our investigation found that the documentary's lack of disclosure that the presenter's father held a position in the Hamas-run authority was materially misleading.
"Consequently that the public did not have critical information which may have been highly relevant to their assessment of the narrator and the information he shared.
"Credibility is at the core of the relationship between a broadcaster and its public, particularly for a national broadcasting corporation such as the British Broadcasting Corporation.
"This oversight had the possibility to undermine the very considerable amounts of credibility that audiences would have invested in a documentary produced by the BBC about the conflict in Gaza."
The documentary was withdrawn from the online platform in the month of February after the narrator's personal associations emerged, and in this past July an corporation's own inquiry concluded it infringed the organization's journalistic standards on accuracy.
A BBC spokesperson commented: "The regulator's decision is in accordance with the results of Peter Johnston's review, that there was a major oversight in the programme in relation to the BBC's Editorial Guidelines on accuracy, which corresponds to Rule 2.2 of the regulator's media standards.
"We have apologised for this and we accept the regulator's ruling in complete. We will follow the sanction as soon as the date and language are determined."
