According to The Guardian newspaper, the prime minister will meet President of the European Commission Jean-Claude Juncker in the Belgian capital of Brussels in order to secure legal guarantees that the possible backstop agreement will not permanently bind the United Kingdom to the EU Customs Union.
The UK parliament however rejected the Brexit deal mainly due to the backstop issue and tasked the government with seeking "alternative arrangements" with regard to the Irish border issue.
READ MORE: Brexit Coordinator: May Vowed Irish Backstop Would Remain in Brexit Deal (VIDEO)
The United Kingdom is set to leave the European Union in late March. The Brexit procedure still remains unclear due to the UK lawmakers' decision to reject the deal reached by London and Brussels.