submit a formal request

See: move
References in periodicals archive ?
In a news conference today, German Chancellor Angela Merkel, French President Francios Hollande and Italian Prime Minister Matteo Renzi stressed the necessity of abidance by the Article 50 of the Lisbon Treaty which says "any member state should submit a formal request, if it decides to withdraw from the EU.
Spring Street plans to revise its trading mechanism and then submit a formal request for regulatory clearance -- which in SEC parlance is called a "no action letter.