(1) For the purposes of Division 5 of Part 5—
(a) impairments, other than psychiatric impairments, resulting from injuries which arose out of the same incident or occurred on the same date are to be assessed together using the combination formula in the A.M.A Guides; and
(b) assessments are to specify the whole person values for each chapter of the A.M.A Guides used in the assessment.
(2) For the purposes of Division 5 of Part 5 and Part 7—
(a) if a worker presents for assessment in relation to injuries which occurred on different dates, the impairments are to be assessed chronologically by date of injury; and
(b) impairments from unrelated injuries or causes are to be disregarded in making an assessment.
Subdivision 2—Assessment in accordance with A.M.A Guides