The public service broadcaster was found to have committed a "serious breach" of industry standards by not revealing that the presenter of a film about Gaza was the child of a Hamas representative, according to UK media regulator Ofcom.
An probe by the media regulator into the documentary titled Gaza: How to Survive a Warzone has found that the documentary was "significantly deceptive".
The head of the BBC had already issued an apology, stating there had been "a significant failing in relation to truthfulness".
The authority has ordered the corporation to transmit a evening statement about its findings.
"Since this amounts to a serious breach of our code, we are instructing the broadcaster to transmit a message of our conclusions against it on the BBC's second channel at 21:00, with a date to be determined," the statement read.
The watchdog's report declared: "Our probe concluded that the programme's lack of disclosure that the narrator's father occupied a post in the Hamas-run administration was substantially inaccurate.
"It meant that the public did not have essential details which may have been highly relevant to their evaluation of the narrator and the information he provided.
"Credibility is at the heart of the bond between a television network and its viewers, particularly for a national broadcasting corporation such as the public broadcaster.
"This failing had the potential to erode the very considerable amounts of confidence that the public would have put in a documentary produced by the BBC about the Gaza conflict."
The documentary was removed from the online platform in last February after the boy's personal associations emerged, and in July an internal BBC review concluded it breached the organization's editorial guidelines on factual correctness.
A corporation official said: "The Ofcom ruling is in accordance with the results of the internal assessment, that there was a significant failing in the documentary in relation to the BBC's Editorial Guidelines on truthfulness, which reflects clause 2.2 of the regulator's media standards.
"We expressed regret for this and we agree with the authority's determination in its entirety. We will comply with the sanction as soon as the timing and language are determined."
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