The use of county convict labor under the provisions of Sections 14-5-6, 14-5-7 and 14-11-2 shall be such uses as may be agreed to by the county commissions in counties that may use convict labor; provided, that such convict labor shall not be used for such purposes unless, after entering an agreement for such use of convict labor on the minutes of the county commission, the agreement with the proposed plan for its operation shall be submitted to the State Health Officer for review as to whether the same may conflict with the public health statutes or rules or regulations of the State Board of Health, and for his opinion on what may be accomplished that will or may contribute to the public health or sanitation. The conclusion as to such finding shall be signed by the said State Health Officer and be filed with the county commission of such county.