The British broadcaster was found to have committed a "major breach" of media regulations by omitting to mention that the presenter of a documentary about the Gaza situation was the son of a Hamas official, according to UK media regulator Ofcom.
An probe by the broadcasting watchdog into the documentary titled Gaza: How to Survive a Warzone has found that the film was "significantly deceptive".
The head of the BBC had previously apologised, saying there had been "a serious error in relation to truthfulness".
The regulator has instructed the broadcaster to air a evening statement about its decisions.
"As this represents a major infringement of our code, we are directing the corporation to broadcast a message of our determinations against it on the BBC's second channel at 9pm, with a schedule to be finalised," it said.
'Possibility to Damage Confidence'
The regulator's report said: "The inquiry we conducted concluded that the film's lack of disclosure that the presenter's father served in a post in the Hamas-controlled government was significantly deceptive.
"This implied that the public did not have vital facts which may have been highly relevant to their judgment of the voice and the information he provided.
"Trust is at the heart of the connection between a television network and its audience, particularly for a state-funded media outlet such as the public broadcaster.
"This error had the risk to erode the very considerable levels of credibility that the public would have placed in a factual film from the broadcaster about the conflict in Gaza."
The film was pulled from the online platform in February after the boy's family links emerged, and in July an broadcaster's internal assessment found it infringed the corporation's content policies on truthfulness.
A corporation official said: "The Ofcom ruling is in agreement with the results of the corporation's inquiry, that there was a serious error in the programme in relation to the corporation's content standards on truthfulness, which corresponds to regulation 2.2 of the regulator's media standards.
"We have apologised for this and we comply with the authority's determination in full. We will follow the directive as soon as the date and wording are finalised."
