Where an Agency believes it has either type of sole source contract for personal and professional services, the Agency Head shall sign a written determination stating:
* An explanation of the Agency's need, including why the particular service is the only one which will meet the Agency's need;
* A certification that the Agency has determined there is only a single provider of the service in the marketplace, including an explanation of the market research conducted; and
* An explanation as to why the amount to be expended by the Agency on the personal or professional service is reasonable, including the efforts made to obtain the best price possible.
12 Miss. Code. R. 9-9.1