17-1-107. Agency recovery of costs for services rendered -- invoice -- payment deadline -- interest. (1) A state agency rendering services to another state agency shall invoice the other state agency within 60 days of rendering services.

(2) An invoiced state agency shall pay the another state agency's invoice in full within the time specified in a written agreement between the agencies, or within 60 days of receipt of a properly completed invoice or by the end of the state fiscal yearend, whichever occurs first.