If requested by the general contractor, a public entity shall enter into an interest bearing deposit agreement with any depository designated by the general contractor, after notice to the surety, to provide an agent for the custodial care and servicing of any deposits placed with him pursuant to this act on any contract of more than fifty thousand dollars ($50,000.00). The services shall include the safekeeping of the obligations and the rendering of all services required to effectuate the purposes of this act.
W.S. 16-6-704