The British broadcaster was found to have committed a "major breach" of broadcasting rules by failing to disclose that the presenter of a documentary about the Gaza conflict was the son of a Hamas official, as ruled by British broadcasting authority Ofcom.
An inquiry by the broadcasting watchdog into the programme Gaza: How to Survive a Warzone has determined that the film was "materially misleading".
The BBC's director general had previously apologised, saying there had been "a serious error in relation to accuracy".
Ofcom has instructed the broadcaster to broadcast a evening announcement about its conclusions.
"Given this constitutes a serious breach of our rules, we are directing the corporation to broadcast a statement of our findings against it on the BBC's second channel at 9pm, with a timing to be finalised," the regulator stated.
'Risk to Undermine Trust'
The authority's statement stated: "Our probe found that the film's failure to disclose that the narrator's father occupied a role in the Hamas-run administration was significantly deceptive.
"This implied that the viewers did not have vital facts which may have been very significant to their evaluation of the narrator and the information he provided.
"Credibility is at the core of the relationship between a media organization and its viewers, particularly for a national broadcasting corporation such as the BBC.
"This failing had the potential to erode the exceptionally strong amounts of confidence that the public would have placed in a factual film from the broadcaster about the Gaza conflict."
The programme was withdrawn from the BBC's streaming service in the month of February after the presenter's personal associations came to light, and in July an internal BBC review concluded it breached the broadcaster's journalistic standards on accuracy.
A representative for the broadcaster commented: "The regulator's decision is in accordance with the conclusions of the internal assessment, that there was a major oversight in the programme in relation to the BBC's Editorial Guidelines on truthfulness, which reflects regulation 2.2 of the regulator's media standards.
"We expressed regret for this and we accept Ofcom's decision in complete. We will comply with the directive as soon as the timing and language are confirmed."
