<p>Sellers and service providers must cooperate with refund investigations by responding to dispute notifications within 48 hours and providing evidence of shipment, delivery, or service completion. Failure to respond may result in automatic refund approval in favour of the buyer or customer.</p><p>Refund amounts for approved claims are deducted from seller settlement balances or service provider payouts. Gletra may apply account holds for sellers or providers with excessive refund rates pending quality review.</p>