destination clause(Destination clauses are clauses in long-term commodity supply contracts (eg gas supply contracts) which have the effect of forbidding wholesalers from re-selling the commodity outside the countries where they are established, thereby guaranteeing the seller a form of protection. 'More)
price escalation clause(Formula by which the gas price is calculated as a function of other parameters, like prices of alternative fuels or inflation indicators. Source: Putting a price on energy – Energy Charter Secretariat 'More)