Specifications include, but are not limited to: Contracted Educational Services will be contracted on an as-needed basis. 2. Contracted Educational Service Providers (hereafter known as “contractors” or “proposers”) should have the minimum requirement as established in the job descriptions identified under the special terms and conditions. They must hold a degree in related field and have documented experience in teaching and/or administration. Copies of appropriate certificates and/or licenses should be included or this could result in disqualification of the proposal. 3. Contracted Educational Services will be administered through the LISD Department of Curriculum and Instruction. Upon approval of the Board of Trustees, if required, contracts for purchase will be put into effect by means of a purchase order issued by said department. 4. Funds for completed contracts concerning this RFP will be available within thirty (30) days of acceptance by the District. 5. All services must reflect a purchase order number. Do not mix purchase order numbers 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.