(11)In order for a competent authority to exercise its oversight powers effectively, these powers should be complemented with two additional tools. First, the competent authority should have the power to require a SIPS operator to appoint an independent expert to perform an investigation or independent review of the SIPS's operation. In addition, it should be able to impose requirements concerning the type of expert to be appointed, the content and scope of the report to be produced, the treatment of the report, including disclosure and publication, and timing for the production of the report. Second, in line with Responsibility B of the abovementioned Principles for financial market infrastructures, a competent authority should be able to conduct on-site inspections or delegate this task.