(1) Prepare and apply plans for the housing of all departments, offices and agencies of the state government located at the capitol, with a view to more efficient and economical administration;

(2) Study the location of branch offices and divisions throughout the state, and make arrangements in the interest of better service and more economical rentals;

(3) Prepare uniform rules and regulations for the payment of travel expenses for officers and employees of all state departments, institutions and agencies. It is the legislative intent that such rules and regulations provide, through travel advances or reimbursement, or both, that an employee under normal circumstances shall be responsible for bearing travel expenses for no more than thirty (30) days from the date of filing a claim, subject to an audit of the claim as required. The commissioner is further authorized to prepare special regulations when the commissioner determines that special circumstances necessitate them. Proposed uniform rules and regulations and proposed special regulations shall become effective upon approval by the attorney general and reporter. Prior to filing with the attorney general and reporter, the commissioner shall submit the proposed uniform rules and regulations and proposed special regulations to the comptroller of the treasury for comment;

(4) Make provisions for the centralization of such departmental services as punch and tabulatory in order to save duplicate outlays for costly equipment used only part time;

(5) Provide central messenger, telephone, switchboard and mailing facilities for the departments, offices and agencies at the capitol; and

(6) Study the work of each department and office and recommend the use of stenographic pools, unified files and combined porter service, whenever conducive to better administration.