On a laboratory bench, a refund is an administrative event. In a quality file, it is evidence. Research Sciences publishes that no returns can be accepted once an order has been dispatched, because of the specialist and perishable nature of research materials, and that refunds are considered only for damage, incorrect supply or quality issues as set out in the Refunds & Returns Policy. That position is clear enough; proving which of those three categories actually applies is the harder part. A documented materials audit is the mechanism that closes the gap between a complaint and a reviewable claim. Everything discussed here is research-use-only material, not for human or veterinary…