1. Postal service. Purchase or contract for all postal service required for the use of State Government or any department or agency thereof;

2. Central copy and duplicating. Establish and conduct a central printing service, copy service and audio-visual service at the seat of government. Such services must be available to all departments and agencies of State Government. The Director of the Bureau of General Services may make charges to those departments and agencies of State Government making use of the facilities and supplies of the central printing service;

3. Central warehouse. Establish and operate, with the approval of the Commissioner of Administrative and Financial Services, a warehouse that, in the judgment of the Director of the Bureau of General Services, is determined necessary for the storage and distribution of supplies, materials and equipment by resale, rental or other method, required for use by State Government or any department or agency, or any political subdivision or school administrative unit. In accordance with section 1587, the Director of the Bureau of General Services may purchase, lease, lease-purchase or enter into other financing agreements for the acquisition of equipment in accordance with this subsection when it can be demonstrated that any such action or agreement provides a clear cost advantage to the State;

4. Central mail room. Establish and conduct a central mail room for the state departments and agencies at the seat of government;

5. Surplus property. Transfer to or between state departments and agencies or educational institutions or sell supplies, materials and equipment that are surplus, obsolete or unused;

6. Internal service fund accounts. Maintain or establish, through the Office of the State Controller, an internal service fund account for each of the central services described in subsections 1 to 5. The funds deposited in the account must include, but are not limited to, appropriations made to the account, funds transferred to the account from within the Department of Administrative and Financial Services, funds received from state departments and agencies using the services provided by the central services and earnings by the fund from the Treasurer of State’s pool.