(a) in accordance with specific statutory or contractual provisions, payment must be preceded by an inspection period, the receipt of a signed receiving report in the case of the purchase of goods for an entity other than the authority itself, or by an audit to determine the resources applied or used by a contractor in fulfilling the terms of the contract;

(b) the necessary State government appropriation required to authorize payment has yet to be enacted;

(c) a proper invoice must be examined by the Federal government or other governmental entity prior to payment; and

(d) such date by which contract payment must be made is modified in accordance with section 4701.9 of this Part.