substitute
(2) If section 151 does not apply, the relevant insurer is only liable for the costs of—
(a) 1 WPI assessment of the person's physical injuries; and
(b) if the person may request a WPI assessment of the person's primary psychological injury under section 150— 1 WPI assessment of the person's primary psychological injury.
(3) If section 151 applies, the relevant insurer is only liable for the costs of 1 WPI assessment for each affected body system.
(4) In this section:
"injury", to a person's body system, includes a primary psychological injury to the person.
"primary psychological injury"—see section 150 (6).