the High Court of Justiciary and the Crown Office was first established. This became the centre of the prosecution system, and it was to the Lord Advocate now to whom the procurators fiscal were responsible, evidenced by the "Book of Regulations" issued by him to procurators fiscal providing instructions about how to conduct their business. The Book of Regulations is still used today in providing the framework for local prosecution in Scotland. Prosecutors Lord Advocate and Solicitor General for Scotland As well as departmental management responsibility, the Lord Advocate is directly responsible for prosecuting the most serious crimes, in the High Court of Justiciary at first instance and the Court of Criminal Appeal. Unless the cases are of especial importance, such as the Lockerbie trial held at Camp Zeist in the Netherlands, the prosecutions are normally (but not always) led by Advocates Depute who are known collectively as Crown Counsel and are experienced members of the Faculty of Advocates normally appointed for a limited period of three years. Their decision to prosecute in this way is taken in the light of the Procurator Fiscal's recommendations and a report prepared by the police, and any such reports are subject to the direction of the Lord Advocate. This prosecutorial role can not be removed from her by the Scottish Parliament. The Lord Advocate is the senior of the two Scottish Law Officers, and is the chief legal adviser to the Scottish Government as well as representing its ministers in civil proceedings. He is also responsible under the Scotland Act 1998 for ensuring that each Act of the Scottish Parliament is within the competence of that Parliament. Additionally, the Lord Advocate, along with the Solicitor General for Scotland are ex-officio entitled to participate (but not vote) in proceedings of the Scottish Parliament to the extent permitted by standing orders. The Solicitor General can act as the deputy for the Lord Advocate. The Lord Advocate and Solicitor General are one of the Great Officers of State in Scotland, and the Lord Advocate is one of the Scottish Ministers, though since 23 May 2007 the Lord Advocate has not attended the cabinet of the Scottish Government. The position of Lord Advocate has been the subject of controversy, most notably sparked by Scottish High Court judges, wanting the ministerial and prosecutorial role to be separated. Crown Agent, King's and Lord Treasurer's Remembrancer and Chief Executive The