Liability to pay state tax on supplies received as construction or development rights arises on transfer of possession or right. Notification designates classes of registered persons as liable to pay State Tax when consideration for supply of services is received wholly or partly as construction service or as transfer of development rights; liability arises when the developer, builder or construction company transfers possession or the right in the constructed complex, building or civil structure to the person supplying development rights by executing a conveyance deed or similar instrument.