The British broadcaster committed a "major breach" of broadcasting rules by omitting to mention that the voice of a programme about the Gaza situation was the child of a Hamas official, as determined by regulatory body Ofcom.
An probe by the media regulator into the documentary titled Gaza: How to Survive a Warzone has concluded that the documentary was "substantially inaccurate".
The chief executive of the broadcaster had previously apologised, saying there had been "a significant failing in relation to factual correctness".
Ofcom has directed the corporation to broadcast a prime-time announcement about its findings.
"As this represents a significant violation of our rules, we are ordering the corporation to air a announcement of our determinations against it on BBC2 at nine o'clock in the evening, with a timing to be confirmed," the statement read.
'Potential to Erode Credibility'
The watchdog's announcement stated: "The inquiry we conducted found that the programme's omission to reveal that the presenter's father occupied a position in the Hamas-administered administration was substantially inaccurate.
"It meant that the viewers did not have vital facts which may have been extremely pertinent to their evaluation of the narrator and the information he shared.
"Credibility is at the center of the bond between a broadcaster and its audience, notably for a state-funded media outlet such as the public broadcaster.
"This oversight had the potential to erode the significantly high levels of confidence that the public would have placed in a factual film from the broadcaster about the conflict in Gaza."
The documentary was withdrawn from the BBC's streaming service in the month of February after the boy's familial connections were revealed, and in this past July an broadcaster's internal assessment determined it breached the broadcaster's journalistic standards on truthfulness.
A corporation official said: "The authority's determination is in line with the conclusions of the internal assessment, that there was a significant failing in the documentary in relation to the corporation's content standards on factual correctness, which corresponds to clause 2.2 of the regulator's media standards.
"We issued an apology for this and we accept Ofcom's decision in full. We will comply with the directive as soon as the schedule and wording are determined."
