(1) Following the development of a preliminary plan, as required by section 48 (1)(e) of article V of the state constitution, and prior to the holding of public hearings on any preliminary plan, the commission may file with each county clerk and recorder and each county chairman of the two major political parties a copy of the preliminary reapportionment plan showing the proposed state senatorial and representative districts in which such county is located, together with a state outline map of legislative districts. A complete state plan may be provided to the state chairmen of the two major political parties.

(2) At the time of submission of a final reapportionment plan to the Colorado supreme court for its review and determination in accordance with section 48 (1)(e) of article V of the state constitution, the commission shall provide the supreme court with a copy of all maps showing the division of the state into legislative districts and necessary supportive evidence, pursuant to the supreme court rules adopted for such proceedings.

(3) As soon as possible after approval of a final plan by the Colorado supreme court, the commission shall prepare and file with the secretary of state copies of census maps showing thereon each legislative district and a description of each district in terms of official census units. The commission shall also file with the county clerk and recorder in each county the necessary maps and descriptions of each legislative district which is located within the boundaries of such county.