In this Division--
"contract" includes any kind of agreement or arrangement.
"controlled contract" means--
(a) a contract that relates to the supply or servicing of gaming equipment that has been approved by the NICC under section 68 (1), not being a contract or a contract of a class that is prescribed by the regulations as exempt from this definition, or
(a1) a contract for the engagement of a compliance auditor for a casino, or
(b) a contract, or class of contracts, that, in the opinion of the NICC, is materially significant to the integrity of the operation of a casino and that the NICC declares, by notice in writing to the casino operator, to be a controlled contract.