8.15. A regulatory review will normally have four phases:@@(a) A pre-review phase, prior to the receipt of any documents from the operator, in which initial planning for the review should be carried out: This should normally involve meetings with the operator with a view to developing an understanding of the extent of the information that will be provided.@@(b) An initial review phase, during which the regulatory body should make an initial evaluation of the documents submitted to assess the completeness of the safety case and the availability of supporting documents, and to make a preliminary identification of those issues that are most important to safety: Evaluation of the completeness of the safety case should include checking that the information submitted addresses all of the expectations of the regulatory body for the safety case. This checking should be documented and a series of detailed review comments should be prepared, which may require additional information. The regulatory body should review and assess any additional information provided by the operator in response to the review comments. @@(c) A main technical review phase in which the bulk of the effort will be expended: This should include the development of detailed review comments, and may include evaluation of additional information provided by the operator in response to comments.@@(d) A completion phase, in which the main conclusions of the review should be identified and used to inform the decision making process.