Tax liability timing for construction-for-development-rights: liability arises when possession or right in the constructed property is transferred. Registered persons supplying development rights in exchange for construction services, and those supplying construction services in exchange for development rights, are subject to a special rule: the liability to pay central tax on such supplies (where consideration is received as construction service or development rights) arises when the developer, builder or construction company transfers possession or the right in the constructed complex, building or civil structure to the supplier of development rights by executing a conveyance deed or similar instrument.