18.—(1) This regulation applies to any adjustment that has been agreed under step 2, 3 or 6 in regulation 11 (including an adjustment agreed on a group basis under regulation 13).
(2) The SSRO may, on an application by the Secretary of State or the primary contractor made within two years after the contract completion date, determine whether the amount of the adjustment is appropriate.
(3) In making a determination, the SSRO must have regard to—
(a)the information that was available to each party, and
(b)the statutory guidance in place,
at the time of agreement.
(4) In making a determination that relates to the amount of an adjustment agreed under step 2 (cost risk adjustment), the SSRO must have regard to the terms of the contract.
(5) If the SSRO determines that the amount of the adjustment was not appropriate, it may determine that the contract price is to be adjusted by a specified amount.