A. The Contractor shall: 1. Purchase stock and sell all items listed on the menu. 2. Secure and pay all Federal, State taxes and local licenses, permits and fees required for the delivery of commissary services. Such taxes and licenses shall be secured and paid for by the Contractor during the entire contract period. 3. Provide to the Sheriff's Office monthly reports on gross sales, line-item sales amounts, and number of welfare transactions. B. Provide a complete audit trail on all transactions related to the commissary services. 1. Must allow for scheduled and unannounced audits of inmate accounts by the Newport News Sheriff's Office to ensure the integrity and accuracy of the accounts. 2. The Contractor shall retain all such records for a period of three (3) years and these records shall be made available upon request to Sheriff's Office staff within one week. 3. Attend meetings with facility's staff when requested. 4. All Contractor employees shall be required to have passed drug-testing procedures conducted by the vendor. 5. A procedure shall be developed and approved by the facility to address returns and other commissary credits.