Input tax credit: registered persons may claim ITC only when inputs are used for business and conditions are met. Entitlement to input tax credit is limited to a registered person who has received goods or services that are used or intended to be used in the course or furtherance of business, supported by specified documents; credit is subject to conditions precedent and subsequent including matching of supplier returns, time limits for taking credit, reversal on non payment to supplier and re availment once supplier compliance is restored.