Returns All product returns must include a copy of the packing list for your invoice to receive credit. All returns must be in resalable (CLEAN, UNUSED, UNOPENED) condition with unopened cellophane packaging. Curriculum returned within 2 quarters from its order date may be returned for 80% credit. Priority Service orders will receive 100% credit for curriculum returned before end of quarter, and 80% credit if returned in the subsequent quarter. Books and UNOPENED CDs and DVDs may be returned within 60 days of purchase for 100% credit. Send returns to: Great Commission PublicationsATTN: Returns Department3640 Windsor Park Dr.Suwanee, GA 30024 Customer must pay all return shipping charges. After we receive the materials, your account will be credited appropriately. Please allow 2–3 weeks for processing. We only give credit for those materials that we receive.