Mr Puigdemont said in a letter to Mr Rajoy on Thursday morning that the independence declaration remained suspended but this could change. The Spanish government has given them till next week to go back to their lives and continue carrying the rest of the country on their backs.
The measure will be sent to the Senate for approval on Saturday, the statement on Thursday said.
The biggest industrial sector in terms of jobs and turnover is farming and food, buoyed by the meat business which exports a lot of pork. The city of Barcelona, the second largest in Spain, is an important center of technology, industry and tourism. Its use long before, when that kidnapping started, we would have saved enough of current problems and surely would have made it easier to implement it.
It is not immediately clear what the implementation of Article 155 will look like in practice; it is known as the "nuclear option" and has never been invoked before.
He wrote to Madrid on Thursday that if talks were not forthcoming, his region would press on with separation from Spain, voting on the issue in its parliament.
Several experts in Constitutional law have raised doubts about the constitutionality of removing the Catalan president and convoking regional elections, insofar as convoking elections is an exclusive competence of the president of the Generalitat.
"There is not much to gain from backing Barcelona and a lot to lose from angering Madrid", said a senior EU diplomat at the EU summit.
The regional parliament could also be dissolved.
Earlier this month, Catalonia staged a chaotic independence referendum, marked by widespread civil disobedience, that was met by a harsh response that saw National Police and Guardia Civil officers beating voters with rubber batons and dragging away ballot boxes.
"The Spanish government will continue with the procedures outlined in Article 155 of the Constitution to restore legality in Catalonia's self-government", it said. Around 90% voted for independence but turnout was low and it wasn't recognized by anybody.
Puigdemont addressed the regional Catalan parliament on Oct. 10, saying he had the mandate under a banned Oct. 1 referendum to declare independence from Spain.
Spain's constitutional crisis has entered a dangerous new phase, with Catalonia facing renewed unrest as the central government in Madrid pledges to impose direct rule over the autonomous region.
The Spanish constitution unequivocally states that "the members of the Constitutional Court shall be appointed for a period of nine years and shall be renewed by thirds every three years", while the president of the court shall be appointed for a three-year term. He was clearly frustrated.
The separatists declared an overwhelming victory despite a boycott by opponents in Catalonia, who called the vote illegal. 16, Puigdemont defied Spanish prime minister Mariano Rajoy's deadline to clarify whether the region had definitively declared independence or not.
The Spanish government, which has refused to negotiate with Catalonia over its independence, views the referendum as unconstitutional. It's answering one question.
If Rajoy does end up taking control of the region, he will eventually have to call elections himself to restore the democratic order.
The result of constant political manipulation is deep social dissatisfaction with the judiciary in Spain.