His claims triggered a 48-hour Government deadline for him to produce the full information he had on the matters, including unsolved murders, to the Police and other relevant authorities, but no report was handed in at the 15:00 hrs (3 p.m.) deadline yesterday.

As the hour neared, Marks was said to have left his office for the afternoon and he informed Head of the Presidential Secretariat and Cabinet Secretary, Dr. Roger Luncheon that he did not have the requested information.

"The information of corrupt practices which I have is against (a city businessman) and (a Customs officer - names given) and has already been divulged to the media...", he said in a letter to Luncheon.

"In my continued pursuit to stamp out corruption I hope that facts will come to my knowledge to support your 'identified information'", he said in the letter.

"...I never had and never pretended to have" the information on corruption in high places and other matters, Marks told Luncheon.

His reply to Luncheon conflicts with what he told reporters on Tuesday when he charged that there was a plot by members of the Guyana Revenue Authority, politicians and others to get rid of him.

"You will be hearing from me on such matters as: corruption in high places; overseas properties and bank accounts; drug traffficking and money laundering; drug related murder of Herman Sanichar; backtrack related murder of Lloyd Bacchus; murder of the Customs Officer at Grove, EBD (East Bank Demerara)", are the words of the statement Marks read to reporters Tuesday.

However, Marks told Luncheon yesterday that he did not say he would be "speaking out" on the issues he cited.

Following media reports on Marks' news conference Tuesday, Luncheon, acting on President Bharrat Jagdeo's instructions, directed the Customs Chief to submit in its entirety to the Police and other authorities, information about corrupt practices which he threatened to expose.

Luncheon directed Marks to submit the information on the matters he listed in its entirety to the Commissioner of Police, the Office of the President, the Chairman of the Integrity Commission and the Auditor General within 48 hours.

He had advised Marks that any failure to submit the identified information will be considered tantamount to a cover-up of corrupt practices.

The letter from Luncheon was copied to Commissioner General of the Guyana Revenue Authority, Mr. Edgar Heyligar.

Contacted after 15:00 hrs yesterday, Heyligar said Marks' reply to Luncheon was not copied to him.

Heyligar had said that Marks' going to the press was unethical and he (Heyligar) was to report to the board of the Revenue Authority.

However, Heyligar said yesterday that the board has not met on the issue.

"I am deeply conscious of the fact that if I withhold information on any corrupt practices I would be guilty of cover-up", Marks told Luncheon.

On Tuesday, Marks had accused city businessman Mr. Glen Lall and Customs officer Mr. Navin Sankar of corrupt practices.

The Sanichar and Bacchus murders Marks referred to took place several years ago.