No double-counting means that a carbon credit is registered and issued only once, and the emissions reductions and removals that that credit generates will only be claimed by one party.
Evitar la doble contabilidad se refiere a que un crédito de carbono se registra y emite una sola vez, y la emisiones, reducciones y remociones que ese crédito genera serán contabilizados por una sola parte.