The public service broadcaster committed a "serious breach" of industry standards by failing to disclose that the presenter of a film about the Gaza situation was the child of a Hamas administrator, as determined by UK media regulator Ofcom.
An probe by the media regulator 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 serious error in relation to accuracy".
The regulator has directed the corporation to broadcast a peak-time declaration about its decisions.
"Since this amounts to a serious breach of our code, we are instructing the BBC to transmit a statement of our findings against it on BBC Two at 21:00, with a date to be determined," it said.
'Risk to Undermine Confidence'
The regulator's report stated: "Our probe determined that the film's omission to reveal that the voice's parent served in a role in the Hamas-administered authority was significantly deceptive.
"Consequently that the public did not have essential details which may have been extremely pertinent to their evaluation of the voice and the information he provided.
"Confidence is at the center of the bond between a media organization and its audience, particularly for a state-funded media outlet such as the BBC.
"This oversight had the possibility to erode the exceptionally strong levels of credibility that audiences would have put in a documentary produced by the BBC about the Gaza conflict."
The programme was removed from iPlayer in the month of February after the boy's personal associations emerged, and in the month of July an broadcaster's internal assessment concluded it infringed the broadcaster's editorial guidelines on accuracy.
A corporation official stated: "The regulator's decision is in accordance with the results of the internal assessment, that there was a significant failing in the film in relation to the BBC's Editorial Guidelines on accuracy, which reflects regulation 2.2 of the regulator's media standards.
"We have apologised for this and we comply with the authority's determination in full. We will comply with the directive as soon as the timing and language are finalised."
