The phrase "a formal nomination" is correct and usable in written English.
It can be used when referring to an official or structured process of selecting someone for a position or award.
Example: "The committee will review all applications and make a formal nomination for the award next week."
Alternatives: "an official nomination" or "a structured nomination".
However, as HuffPost UK notes, Komkov's letter did not serve as a formal nomination since he does not have the authority to nominate Putin.
But he said he still hoped the White House would make a formal nomination "fairly soon".
A formal nomination has to come from the floor of the Parliament and then a vote.
In 1822 these friends maneuvered the Tennessee legislature into a formal nomination of their hero as a candidate for president.
David Arkush, who runs a Congressional transparency project at Public Citizen, a left-leaning advocacy group, said it was disappointing that a formal nomination did not appear imminent.
Even as the administration informed legislators on Capitol Hill on Thursday that Ms. Yellen probably would be President Obama's nominee, one official said the point of the calls was not so much to gauge support but to tell Democratic senators they should defend Ms. Yellen if she comes under attack before a formal nomination.
Both Justice Shafer's decision and a bill circulating in the City Council would require that the commission make decisions on any formal nomination of a landmark, known as a Request for Evaluation or R.F.E., in a timely fashion.
The most important order of business, Mr. Romney's formal nomination through a roll-call vote of delegates, is now set to take place on Tuesday.
Clinton's formal nomination elicited a roar of approval but boomeranged among several hundred Sanders delegates, who bolted from the hall.
How far he has succeeded in reducing Greek-Turkish tension will be clear at next month's summit of the EU, when Turkey hopes to overcome Greek objections to its formal nomination as a candidate.
"It's pretty hard to be more qualified for this job than Loretta," Obama said in a ceremony announcing Lynch's formal nomination on Saturday.
