submit a formal request

See: move
References in periodicals archive ?
When Islam requested to be allowed to operate his election campaign account, the court told him to submit a formal request.
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." Merkel said '"we agree there will be no formal or informal talks' with Britain until Article 50 of the EU treaty has been invoked." She added there can be no talks on Brexit before Britain formally begins the process of leaving the EU.
Minister Benjamin Netanyahu's plans to submit a formal request for the release