If the backstop is implemented, there will be no tariffs, quotas or checks on goods, with the exception of fishery and aquaculture products, “unless an agreement on access to waters and fishing opportunities” is agreed.
Fishery and aquaculture products are defined in Annex I to Regulation (EU) 1379/2013 and include:
wild caught sea fish, which are traditionally included in international fisheries agreement (such as mackerel and herring, cod and haddock)
and also products not traditionally included in international fisheries agreements:
creel caught shellfish (such as crab)
farmed fish (such as Scottish farmed salmon) and
processed fish and fish products.