The British broadcaster was found to have committed a "serious breach" of broadcasting rules by omitting to mention that the narrator of a film about Gaza was the son of a Hamas official, as ruled by UK media regulator Ofcom.
An investigation by the media regulator into the documentary titled Gaza: How to Survive a Warzone has found that the film was "significantly deceptive".
The chief executive of the broadcaster had already issued an apology, saying there had been "a serious error in relation to factual correctness".
The regulator has directed the broadcaster to transmit a evening statement about its conclusions.
"Given this constitutes a serious breach of our regulations, we are ordering the broadcaster to broadcast a statement of our conclusions against it on BBC Two at nine o'clock in the evening, with a date to be determined," the regulator stated.
'Possibility to Undermine Trust'
The regulator's statement stated: "Our probe determined that the documentary's omission to reveal that the narrator's male guardian occupied a post in the Hamas-controlled administration was substantially inaccurate.
"Consequently that the audience did not have vital facts which may have been very significant to their assessment of the presenter and the information he provided.
"Trust is at the heart of the connection between a media organization and its viewers, notably for a state-funded media outlet such as the BBC.
"This oversight had the possibility to undermine the very considerable amounts of confidence that the public would have placed in a documentary produced by the BBC about the Israel-Gaza war."
The programme was removed from the BBC's streaming service in February after the presenter's family links came to light, and in this past July an internal BBC review determined it violated the broadcaster's editorial guidelines on accuracy.
A representative for the broadcaster commented: "The authority's determination is in agreement with the conclusions of the internal assessment, that there was a significant failing in the documentary in relation to the BBC's Editorial Guidelines on factual correctness, which corresponds to regulation 2.2 of Ofcom's Broadcasting Code.
"We expressed regret for this and we agree with the authority's determination in complete. We will follow the penalty as soon as the timing and language are finalised."
