A judge has ordered an inquiry into allegations against the administrators who took over crisis-hit Rangers.
Duff and Phelps were formally appointed to the Ibrox club on February 14, owing HM Revenue and Customs £14m.
At the Court of Session in Edinburgh on Friday, Lord Hodge, referred to a BBC television programme alleging the firm had a "conflict of interest" in their role and called for a full report.
He said he took no view about what the BBC had said, but wanted to know whether the insolvency firm had obtained and acted on legal advice on the question of conflict of interest.
Lord Hodge said he had done nothing until now because he did not want to hinder the process of Rangers going into liquidation.
He told the accountants' lawyers: "There is considerable public interest in this jurisdiction in relation to the administration.
"I do not want the administration to come to an end without having received that report."
One of the partners at the firm, David Grier, had advised Mr Whyte on his takeover as early as January 2011. He was also retained by the Rangers owner after the takeover to deal with the "wee" tax case the club was looking to settle with the tax authorities.
When the Ibrox club went into administration, Mr Grier was also involved in the process of trying to save Rangers FC plc, which failed earlier this week when an asset sale and liquidation was confirmed.
The BBC documentary claimed that Mr Grier knew of the £25.3m Ticketus deal Mr Whyte struck for future Ibrox season ticket sales, which effectively funded his takeover.
The programme claimed that this later resulted in a “conflict of interest” as Duff and Phelps successfully appealed to Lord Hodge to find that they could breach the deal, leaving Ticketus to become creditors of the club.
Mr Grier has strenuously denied the allegations and claimed his company were looking at taking legal action against the broadcaster.
He claimed that he knew Mr Whyte had been in negotiations with Ticketus, but thought that it was only in relation to small short-term funding deals, and not one to facilitate the takeover. Previous owner Sir David Murray had struck deals with Ticketus for Ibrox season tickets from 2009 onwards.
Duff and Phelps said the judge's decision would give them the chance to disprove the claims made in the BBC's programme.
Joint administrator David Whitehouse said: "Producing this report for Lord Hodge will give us an opportunity to demonstrate that the allegation of conflict of interest by the BBC was wrong and grossly irresponsible.
"We have a well-established conflict checking procedure which was fully ahered to and there was no reason for us not to accept the role as administrators.
"It should be remembered that HMRC withdrew their application to appoint administrators to enable us to do the job. We maintain there is no conflict of interest.
"Since the BBC documentary we have met Mr Roger Isaacs, who appeared on the programme and was asked for his professional opinion as a forensic accountant.
"Mr Isaacs informed us that he was not shown relevant documentation by the BBC and now, having reviewed the documentation, he has told us that he is satisfied that our firm did not have knowledge of Ticketus funding being used to acquire Rangers in 2011, prior to the transaction being completed.
"We are also cooperating fully with the investigation announced by the Insolvency Practitioners Association and we look forward to that inquiry been concluded as soon as possible.
"We have also referred the BBC allegations to our solicitors."
The report demanded by Lord Hodge is expected to be ready in three weeks and a further court hearing is likely to be arranged after that.
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