The public service broadcaster was found to have committed a "serious breach" of broadcasting rules by omitting to mention that the presenter of a documentary about Gaza was the child of a Hamas official, as ruled by British broadcasting authority Ofcom.
An inquiry by the media regulator into the programme Gaza: How to Survive a Warzone has concluded that the film was "materially misleading".
The head of the BBC had already issued an apology, noting there had been "a significant failing in relation to accuracy".
The authority has directed the corporation to broadcast a evening declaration about its findings.
"Since this amounts to a serious breach of our code, we are ordering the BBC to air a announcement of our determinations against it on BBC Two at nine o'clock in the evening, with a timing to be determined," the statement read.
'Possibility to Erode Credibility'
The authority's announcement stated: "The inquiry we conducted determined that the documentary's failure to disclose that the presenter's father held a position in the Hamas-run authority was significantly deceptive.
"This implied that the viewers did not have essential details which may have been extremely pertinent to their judgment of the narrator and the content he provided.
"Credibility is at the heart of the connection between a television network and its public, especially for a public service broadcaster such as the BBC.
"This failing had the possibility to erode the significantly high levels of confidence that the public would have put in a documentary produced by the BBC about the Israel-Gaza war."
The documentary was pulled from iPlayer in last February after the presenter's personal associations came to light, and in this past July an internal BBC review found it violated the corporation's content policies on accuracy.
A BBC spokesperson commented: "The regulator's decision is in accordance with the findings of the internal assessment, that there was a major oversight in the programme in relation to the BBC's Editorial Guidelines on accuracy, which corresponds to Rule 2.2 of the regulator's media standards.
"We issued an apology for this and we agree with the authority's determination in its entirety. We will follow the directive as soon as the date and language are finalised."
