Which of the following statements is NOT true regarding the requirements and objectives associated with an Integrated Baseline Review (IBR)?

The IBR identifies the risks associated with executing to the current Performance Measurement Baseline and integrated master schedule.

Subsequent IBRs may be required whenever an established Performance Measurement Baseline (PMB) is unachievable and a new PMB is required.

The IBR is conducted exclusively by the Government and contractor business management staff and technical staff are rarely included.

The IBR assesses the validity of the Performance Measurement Baseline (PMB) and the Integrated Master Schedule (IMS).

Participants in an IBR typically include the Government PM and technical staff, along with the related contractor's staff.