Let's take the claim "50% on New Zealand lamb".
Here's the tariff schedule. 0204230011 (Other meat of sheep; fresh or chilled Boneless; of domestic sheep; of lamb).
trade-tariff.service.gov.uk/trade-tariff/c…

I took this screenshot a couple of days ago.
About 128 thousand tonnes remaining for this year up to 24th July
ec.europa.eu/taxation_custo…

This is from Hansard. The Minister of Agriculture, Fisheries and Food Fred Peart speaking.
api.parliament.uk/historic-hansa…
