services across the intelligence community, including the data sharing and protection environment across multiple classification domains. (b) Roles and responsibilities (1) Director of National Intelligence The Director of National Intelligence shall be responsible for coordinating the performance by elements of the intelligence community of the intelligence community information technology environment, including each of the following: (A) Ensuring compliance with all applicable environment rules and regulations of such environment. (B) Ensuring measurable performance goals exist for such environment. (C) Documenting standards and practices of such environment. (D) Acting as an arbiter among elements of the intelligence community related to any disagreements arising out of the implementation of such environment. (E) Delegating responsibilities to the elements of the intelligence community and carrying out such other responsibilities as are necessary for the effective implementation of such environment. (2) Core service providers Providers of core services shall be responsible for— (A) providing core services, in coordination with the Director of National Intelligence