Vegan sausage rolls face a ban in Northern Ireland under the Brexit deal unless they are given a new name.
A European Parliament vote scheduled to take place today could force manufacturers in the region to rebrand their offerings.
They could be required to use terms like "tubes" or "discs" to describe their products instead of terms referring to meat.
The ban will be imposed as a result of the Windsor Framework, a post-Brexit legal agreement between Britain and the EU.
Greggs vegan sausage rolls will reportedly be exempt from the name change rules in Northern Ireland
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The framework replaced the Northern Ireland Protocol, meaning the region adheres to certain EU laws regarding goods.
But Greggs vegan sausage rolls and others products like it which are made in Britain will dodge the restrictions and will still be sold in Northern Ireland under the same name, according to The Telegraph.
This is because the bakery chain makes the savoury pastries in Britain before they are shipped to Northern Ireland using the so-called "green lane".
The green route deals with internal trade from the UK to Northern Ireland.
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It ensures goods are subject to minor checks to enter the country.
The red lane meanwhile revolves around British exports entering the Republic of Ireland via Northern Ireland.
The potential ban on vegan products has however sparked backlash among politicians in Northern Ireland.
According to The Telegraph, Robin Swann, an Ulster Unionist Party MP, said: “This regulatory absurdity highlights the urgent need to scrap the Irish Sea border and ensure NI businesses operate under UK, not EU, law."
The potential new rules around vegan food products in Northern Ireland has been sparked by guidelines brought in post-Brexit
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Mark Francois, who chairs the European Research Group added: "This shows just how hollow Labour’s much-vaunted ‘EU reset’ – which includes regulation of foodstuffs – really is."
Sir Keir Starmer secured arrangements with Brussels on a number of issues earlier this year, including defence and migration, in what has become known as the "EU reset".
Under the deal, some foods which were previously prevented from being sold in the EU following Brexit were permitted to return to European shelves, including British sausages and Aberdeen Angus burgers.
A Government spokesman said: "We will not comment on hypothetical scenarios or speculation."