The public service broadcaster committed a "major breach" of industry standards by not revealing that the presenter of a documentary about Gaza was the son of a Hamas representative, according to regulatory body Ofcom.
An probe by the broadcasting watchdog into the programme Gaza: How to Survive a Warzone has determined that the film was "materially misleading".
The chief executive of the broadcaster had earlier expressed regret, stating there had been "a significant failing in relation to accuracy".
The regulator has ordered the broadcaster to broadcast a evening statement about its decisions.
"Since this amounts to a major infringement of our code, we are instructing the BBC to broadcast a announcement of our determinations against it on the BBC's second channel at nine o'clock in the evening, with a timing to be finalised," the statement read.
'Potential to Damage Credibility'
The regulator's statement declared: "The inquiry we conducted concluded that the film's lack of disclosure that the voice's male guardian occupied a post in the Hamas-controlled administration was materially misleading.
"It meant that the viewers did not have critical information which may have been highly relevant to their evaluation of the narrator and the details he provided.
"Trust is at the heart of the connection between a media organization and its viewers, especially for a national broadcasting corporation such as the British Broadcasting Corporation.
"This failing had the risk to erode the very considerable amounts of trust that the public would have invested in a documentary produced by the BBC about the Gaza conflict."
The documentary was pulled from iPlayer in February after the presenter's personal associations came to light, and in this past July an broadcaster's internal assessment found it breached the organization's journalistic standards on truthfulness.
A representative for the broadcaster commented: "The authority's determination is in line with the conclusions of the corporation's inquiry, that there was a significant failing in the film in relation to the BBC's Editorial Guidelines on truthfulness, which reflects clause 2.2 of the authority's broadcasting regulations.
"We expressed regret for this and we comply with the regulator's ruling in its entirety. We will adhere to the sanction as soon as the timing and wording are determined."
