After winning Indyref2, Scotland would need to apply to join the bloc again under Article 49 of the Treaty of the European Union.
New members can only be allowed into the bloc through an unanimous vote from the existing member states and an independent Scotland would undoubtedly ruffle feathers.
Spain is struggling with secession demands itself, from Catalonia, so many believe it is unlikely to support a newly independent state.
Scotland could be rejected by Brussels due to its current deficit of seven percent of GDP, unless it adopted a strict austerity programme from the EU as well as potentially adopting the euro.
In an exclusive interview with Express.co.uk, though, Professor Michael Keating, dismissed such claims, arguing the EU would welcome Scotland, as “it is nothing like Catalonia”.
“If the UK accepted it, then Spain would accept it.
“That’s logical for them because they say, ‘It is different from Catalonia if Scotland seceded.’
“It’s in their interest to say that it’s the business of the UK.
“They have a constitution and their constitution says Catalonia cannot leave.
“Scotland is different.
“Unilateral secessions are completely different matters.”
In another interview with Express.co.uk, though, Mar Aguilera Vaqués, professor of constitutional law at the University of Barcelona, argued that if Scotland becomes independent, it would be treated in the same way as Kosovo by the Spanish government.
“Spain against Kosovo and there was the biggest scandal.
“On Spanish television they wrote Kosovo in lower cases because Spain doesn’t recognise its independence.”
Ms Aquilera Vaqués added: “I guess it would be the same for Scotland for sure…
“They don’t want to replicate what is happening here with Catalonia.”
Catalonia is one of Spain’s wealthiest and most productive regions and has a distinct history dating back almost 1,000 years.
Its desire for independence stretches back decades.
Three years since its government’s failed attempt to unilaterally declare independence, Catalonia has somewhat disappeared from international headlines.
However, while its institutions are unlikely to pose any serious new threats to Spain’s stability, the political situation in the autonomous region is far from normalised.
Several pro-independence politicians are currently in jail or in exile, violent protests regularly break out in the streets, and the ‘war of flags’ continues on the balconies of Catalonia’s towns and cities.
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While Mr Rajoy’s government was facing an election in late 2015, before Scotland formally sought to become independent, the Spanish politician’s words were seen as an effective veto on immediate Scottish entry to the EU.
Speaking at a joint press conference with former French president, François Hollande, Mr Rajoy said: “It’s very clear to me, as it is for everybody else in the world, that a country that would obtain independence from the EU would remain out of the EU, and that is good for Scottish citizens to know and for all EU citizens to know.”
Mr Rajoy said EU treaties “apply only to member states that have agreed and ratified them, and if a part of one member state cleaves from the member state, it converts itself into a third party with relation to the EU”.
He added: “That is the law and that law applies.
“In no way does it benefit our European regions and our citizens to propose divisions or solo adventures in an uncertain future in which the exit points may seem clear but the destination is unknown.”
This post originally appeared on Daily Express :: UK Feed