The British 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 conflict was the child of a Hamas official, as ruled by regulatory body Ofcom.
An investigation by Ofcom into the documentary titled Gaza: How to Survive a Warzone has concluded that the documentary was "substantially inaccurate".
The chief executive of the broadcaster had already issued an apology, saying there had been "a serious error in relation to accuracy".
The regulator has instructed the broadcaster to transmit a peak-time declaration about its decisions.
"Since this amounts to a major infringement of our rules, we are instructing the BBC to broadcast a statement of our determinations against it on BBC2 at 21:00, with a date to be confirmed," the regulator stated.
'Potential to Undermine Credibility'
The watchdog's report said: "The inquiry we conducted found that the film's omission to reveal that the narrator's parent held a post in the Hamas-run administration was substantially inaccurate.
"This implied that the audience did not have vital facts which may have been very significant to their judgment of the presenter and the information he shared.
"Trust is at the heart of the relationship between a broadcaster and its public, particularly for a national broadcasting corporation such as the BBC.
"This error had the potential to undermine the very considerable amounts of confidence that the public would have put in a factual film from the broadcaster about the Gaza conflict."
The documentary was pulled from the online platform in the month of February after the narrator's family links came to light, and in this past July an broadcaster's internal assessment concluded it breached the organization's editorial guidelines on factual correctness.
A representative for the broadcaster stated: "The authority's determination is in accordance 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 truthfulness, which reflects regulation 2.2 of the authority's broadcasting regulations.
"We issued an apology for this and we comply with Ofcom's decision in complete. We will comply with the directive as soon as the timing and wording are finalised."
