Section 31-19-5 of the Mississippi Code of 1972 Annotated, as amended, authorizes the State Treasurer to promulgate rules regarding alternative methods of investment of any funds received from the sale of bonds, notes, or certificates of indebtedness heretofore or hereafter sold by the State of Mississippi or any agency or department thereof or by any county, municipality, road district, levee district, development district, utility district, school district, drainage district or other entity authorized by law to issue bonds, notes, or certificates of indebtedness (hereafter "Issuer" or "Issuers), which are not immediately required for disbursement for the purpose for which issued.
38 Miss. Code. R. 1-1.1