Section 470.311 - Final project approval(a) The Office of Personnel Management will consider all timely relevant oral and written views, arguments, and data before final approval or disapproval of a project plan. OPM may request that the agency modify the tentatively approved project plan before final approval because of comments and data received from the Congress, the public, labor organizations, and affected employees. OPM will not permit the agency to implement the project until all required consultation or negotiation has been completed, including the conclusion of impasse resolution and negotiability disputes.(b) The Office of Personnel Management shall provide a copy of the final version of the project plan to each House of the Congress at least 90 days in advance of the date the project is to take effect.(c) Agencies involved in the project shall communicate the content of the final project plan to: (1) Labor organizations and affected employees; and(2) Individuals and groups known to be interested in the project's activities.