; Public Law 115–336 ), are identified in agency congressional budget justifications. (10) Coordinate with Office of Management and Budget stakeholders and other agency stakeholders on Government service delivery. (11) In collaboration with relevant agency officials as appropriate, and in coordination with relevant Office of Management and Budget stakeholders, ensure that websites of agencies, including those associated with high impact service providers, are consistent with the objectives of this subchapter, the 21st Century Integrated Digital Experience Act, and any other applicable law. 323. Lead agency officials for Government service delivery (a) Responsibility for Government service delivery The head of each agency shall be responsible for the Government service delivery of the agency which shall, at a minimum, include improving and enhancing Government services to better achieve the mission of the agency and build and maintain trust, transparency, and accountability. (b) Lead agency service delivery officials Not later than one year after the date of the enactment of this subchapter, the head of each agency shall designate or appoint a senior official of the agency (who may be the deputy head of the agency) to implement this subchapter who shall have the following duties and authorities: (1) Report directly to the head or deputy head of the agency. (2) Possess sufficient operational authority to effectuate implementation of Government service delivery improvements within the agency, particularly with respect to high impact service providers. (3) Coordinate and execute, as appropriate, under the direction of the head of the agency, and in collaboration with relevant agency officials as appropriate, efforts to improve and enhance the Government service delivery and Government service delivery channels of the agency. (4) At the direction of the Federal Government Service Delivery Lead, submit an implementation plan for improving agency Government service delivery. (5) Coordinate the collection and reporting