Specifications include, but are not limited to: 1. Consultant Services will be contracted on an as needed basis. 2. Payment Terms & Invoicing: Payment for Services by the Contractor shall be made within thirty (30) calendar days from receipt of invoice. Invoices shall be submitted by Contractor only after Services have been rendered. Contractor’s invoice shall reference the respective District Purchase Order number. 3. All services must reflect a purchase order number. Do not mix purchase orders on a single invoice. Should discrepancies occur concerning pricing, the entire invoice shall be credited and a correct invoice mailed within fifteen (15) working days. 4. Contractor shall indemnify, defend, and hold harmless the District, its officers, agents and employees, from and against any and all loss, cost, damage, expense and claims, including attorney’s fees and liability of any kind for any acts or omission of Proposer, its officers, agents or employees, in performance of contract. 5. The proposer shall retain any books, documents, papers, and records, which are directly pertinent to the contract. The proposer shall make the said materials available for audit, examination, excerpt, and transcription to the District, sub-grantee or grantee of funds, or their authorized representatives, for a period of five (5) years following the termination of the contract.