Any article or product manufactured by the Board of Corrections for sale through the Finance Department to any office, department, institution or agency of the state or to any political subdivision thereof shall be manufactured or produced only upon state specifications developed by and through the Finance Department. However, if such specifications have not been developed by the department, then production may be based upon commercial specifications in current use by industry for the manufacture of such articles and products for sale to the state and political subdivisions thereof which have first been approved by the Finance Department. For purposes of this chapter, state specifications and commercial specifications approved by the Finance Department shall mean the latest complete version of any specification including amendments thereto.