The public service broadcaster was found to have committed a "major breach" of industry standards by omitting to mention that the voice of a programme about the Gaza situation was the son of a Hamas official, as determined by British broadcasting authority Ofcom.
An probe by Ofcom into the programme Gaza: How to Survive a Warzone has concluded that the programme was "significantly deceptive".
The chief executive of the broadcaster had previously apologised, stating there had been "a serious error in relation to factual correctness".
The authority has instructed the broadcaster to transmit a peak-time statement about its findings.
"As this represents a major infringement of our code, we are instructing the corporation to broadcast a announcement of our conclusions against it on BBC Two at 9pm, with a schedule to be determined," the regulator stated.
'Potential to Erode Trust'
The regulator's report declared: "The inquiry we conducted found that the documentary's omission to reveal that the voice's male guardian served in a post in the Hamas-administered government was significantly deceptive.
"This implied that the viewers did not have critical information which may have been very significant to their assessment of the voice and the details he presented.
"Credibility is at the heart of the relationship between a media organization and its public, especially for a national broadcasting corporation such as the BBC.
"This oversight had the possibility to undermine the exceptionally strong degrees of trust that viewers would have put in a documentary produced by the BBC about the Israel-Gaza war."
The documentary was pulled from iPlayer in the month of February after the boy's personal associations came to light, and in the month of July an corporation's own inquiry concluded it infringed the corporation's journalistic standards on factual correctness.
A corporation official commented: "The Ofcom ruling is in line with the conclusions of the corporation's inquiry, that there was a significant failing in the documentary in relation to the corporation's content standards on factual correctness, which reflects regulation 2.2 of Ofcom's Broadcasting Code.
"We have apologised for this and we comply with the regulator's ruling in full. We will adhere to the directive as soon as the timing and wording are finalised."