(a) In accordance with the Federal Information and Technology Acquisition Reform Act (FITARA) (Pub L. No. 113-291), the contracting officer must ensure any modification that makes substantial changes to the scope of a contract or order for GSA information technology that is inconsistent with the approved acquisition plan receives approval from the GSA Chief Information Officer (CIO). See section 511.170 for any necessary GSA IT Standards Profile approvals. For interagency acquisitions, the requesting agency is responsible for CIO coordination and approval for any modifications that make substantial changes to the scope of a contract or order.