Mr Blok told Dutch MPs that their nation’s fishermen had complained about a number of British regulations that “deviate” from the bloc’s rulebook.
He wrote: “On January 1, the UK issued temporary fishing authorisations, and since January 22, fishermen have received final fishing authorisations from the UK, allowing them access to UK waters.
“Although the UK has largely adopted the existing European legislation and regulations for fishing, there are also points where the UK deviates.”
Mr Blok explained that new “conditions” insisted by the British, such as “which panels are required in nets”, have been difficult to understand.
European boats are struggling to adapt to post-Brexit fishing rules (Image: GETTY)