- 16 - education no longer using the equipment for a program under this Plan. In the event a local board shall have no equity in the equipment and it is no longer in use, the State Board may move it to a school operating an approved program. 4.94 Purchase of Supplies. The procedures for purchasing instructional supplies shall conform to that outlined in part 4. 91 of this Section. 5.0 TRAVEL REGULATIONS Travel regulations are established by the state legislature and supple- mented by State Department of Education standardized travel regulations for those persons whose official travel is reimbursable from federal or matching funds. 5. 1 Official Travel Policy for Instructional, Supervisory, and Other Vocational Personnel. 5.11 Within the School Service Area. (A service area is defined as the school area in which the person concerned is employed.) Reimbursement for authorized official travel (transportation only) necessary for the maintenance or promotion of vocational education may be approved. Reim- bursed travel will be approved by the appropriate state supervisor and by the local school officials. 5. 12 Within the State but Outside the Service Area. County boards of public instruction may be reimbursed for vocational personnel travel and per diem expenditures to approved con- ferences and group meetings which are authorized by the county superintendent and the state director and which are called by the appropriate state supervisor. Such reim- bursement shall conform to written agreements with the county. Reimbursement conforming to State Department of Educa- tion travel policy may be covered by an approved sectional formula or may be recommended by the state supervisor and authorized by the state director to county boards of public instruction to cover expenses of individuals or groups whose services are loaned to the State Department of Education for advisory or consultative purposes. 5.13 Outside the State. Reimbursement may be made for out-of- state travel in accordance with state policies when requested