The public service broadcaster committed a "major breach" of industry standards by not revealing that the presenter of a programme about the Gaza situation was the child of a Hamas administrator, according to UK media regulator Ofcom.
An probe by the broadcasting watchdog into the documentary titled Gaza: How to Survive a Warzone has concluded that the film was "significantly deceptive".
The BBC's director general had already issued an apology, noting there had been "a significant failing in relation to truthfulness".
The regulator has directed the broadcaster to air a peak-time declaration about its decisions.
"As this represents a major infringement of our rules, we are ordering the corporation to transmit a announcement of our findings against it on BBC2 at nine o'clock in the evening, with a date to be confirmed," the regulator stated.
'Risk to Erode Trust'
The regulator's statement stated: "Our investigation concluded that the film's lack of disclosure that the voice's male guardian held a position in the Hamas-administered authority was substantially inaccurate.
"It meant that the public did not have essential details which may have been extremely pertinent to their evaluation of the presenter and the information he presented.
"Trust is at the center of the connection between a broadcaster and its viewers, especially for a public service broadcaster such as the BBC.
"This error had the potential to undermine the exceptionally strong levels of credibility that the public would have put in a factual film from the broadcaster about the Gaza conflict."
The documentary was pulled from the BBC's streaming service in the month of February after the boy's familial connections were revealed, and in the month of July an broadcaster's internal assessment determined it infringed the organization's journalistic standards on truthfulness.
A representative for the broadcaster stated: "The regulator's decision is in agreement with the findings of Peter Johnston's review, that there was a significant failing in the documentary in relation to the broadcaster's journalistic policies on truthfulness, which reflects Rule 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 adhere to the sanction as soon as the schedule and wording are confirmed."
