1.1 If the Authority requires a Medium Value Change, it must serve an Authority Change Notice on Sub-hubco in accordance with paragraph 2 (Medium Value Change Notice) of this Section 3 (Medium Value Changes).
1.2 Sub-hubco shall be entitled to refuse a Medium Value Change that:
1.2.1 requires the Works and/or Services to be performed in a way that infringes any law or is inconsistent with Good Industry Practice;
1.2.2 would cause any Necessary Consent to be revoked (or would require a new consent to be obtained or any existing Necessary Consent to be amended which, after using reasonable efforts, Sub-hubco has been unable to obtain);
1.2.3 would materially and adversely affect Sub-hubco's ability to deliver the Works and /or Services (except those Works and/or Services which have been specified as requiring to be amended in the Authority Change Notice) in a manner not compensated for pursuant to this Section 3 (Medium Value Changes);
1.2.4 would materially and adversely affect the health and safety of any person;
1.2.5 would, if implemented, materially and adversely change the nature of the Project (including its risk profile); or
1.2.6 the Authority does not have the legal power or capacity to require implementation of.