6. Variations
6.1 No approval or comment or any failure to give or make an approval or comment under this Schedule 6 (Review Procedure) shall constitute an Authority Change save to the extent provided in paragraph 6.2.
6.2 If, having received comments from the Authority's Representative, the Contractor considers that compliance with those comments would amount to an Authority Change, the Contractor shall notify the Authority of the same and, if it is agreed by the parties or determined pursuant to the Disputes Resolution Procedure that an Authority Change would arise if the comments were complied with, the Authority may, if it wishes, implement the Authority Change and it shall be dealt with in accordance with the Change Protocol.
6.3 No alteration or modification to the design, quality and quantity of the Works arising from the development of detailed design or from the co-ordination of the design shall be construed or regarded as an Authority Change.