The public service broadcaster was found to have committed a "major breach" of media regulations by omitting to mention that the narrator of a documentary about the Gaza situation was the child of a Hamas representative, as determined by regulatory body Ofcom.
An inquiry by the broadcasting watchdog into Gaza: How to Survive a Warzone has found that the film was "substantially inaccurate".
The BBC's director general had previously apologised, stating there had been "a serious error in relation to factual correctness".
Ofcom has directed the BBC to air a prime-time announcement about its conclusions.
"Since this amounts to a serious breach of our code, we are directing the broadcaster to transmit a message of our determinations against it on the BBC's second channel at 9pm, with a date to be finalised," the regulator stated.
'Possibility to Damage Trust'
The watchdog's report declared: "Our investigation concluded that the documentary's omission to reveal that the presenter's parent occupied a post in the Hamas-controlled authority was materially misleading.
"Consequently that the public did not have vital facts which may have been extremely pertinent to their evaluation of the voice and the information he provided.
"Confidence is at the center of the relationship between a television network and its viewers, especially for a national broadcasting corporation such as the British Broadcasting Corporation.
"This error had the possibility to erode the significantly high levels of confidence that audiences would have invested in a documentary produced by the BBC about the conflict in Gaza."
The film was pulled from the BBC's streaming service in the month of February after the boy's personal associations came to light, and in this past July an broadcaster's internal assessment concluded it infringed the broadcaster's editorial guidelines on factual correctness.
A corporation official commented: "The authority's determination is in line with the results of the internal assessment, that there was a significant failing in the programme in relation to the broadcaster's journalistic policies on accuracy, which corresponds to clause 2.2 of the authority's broadcasting regulations.
"We issued an apology for this and we comply with the regulator's ruling in its entirety. We will comply with the directive as soon as the schedule and wording are confirmed."
