With a new FIA president Mohammed Ben Sulayem and new race directors this season, the FIA said it would implement the rule.
The seven-time world champion has campaigned tirelessly to fight racism and has been outspoken on human rights abuses in countries where F1 goes racing. He is the only Black driver in F1.
The new Mercedes built to F1's 2022 specifications is miserable to drive; Hamilton's back hurts from all the bouncing, in part because Mercedes rides it low to the ground for maximum performance.
He jumped ahead of Carlos Sainz and Lewis Hamilton as time expired and drew a rousing ovation from the rain-soaked spectators.
After a grueling race in Baku, Lewis Hamilton has branded the 2022 Azerbaijan Grand Prix as the most painful race of his Formula 1 career.
Lewis Hamilton races with his nose stud in at Monaco GP after FIA extends exemption on jewellery ban
Hamilton had been given a temporary exemption of two races to remove his stud, a process he said required surgical intervention.
George Russell and Lewis Hamilton were next in their Mercedes, which have struggled to keep up with Ferrari and Red Bull this season. They were within 0.2 seconds of Leclerc.
The FIA on Thursday tightened its ban on non-regulatory underwear and body piercings when new race director Niels Wittich issued a bulletin that makes the rule part of official scrutineering.
Hamilton, speaking ahead of Sunday's Imola Grand Prix, added that from the age of five or six he had been a supporter of Chelsea's bitter city rivals Arsenal.
Chelsea's sale process was announced last month by Russian owner Roman Abramovich following the invasion of Ukraine.
Verstappen restarted second behind Hamilton and, on quicker new tires, zoomed past Hamilton in the fifth turn. Mercedes lost both its protests over how the race ended.
Verstappen's time of 1 minute, 31.94 seconds put him a narrow 0.09 ahead of Charles Leclerc and 0.58 clear of Carlos Sainz Jr on an encouraging day for Ferrari.
The 12-year-old is the son of Mohammed Ramadhan, a former member of Bahrain's security forces facing the death penalty.
The seven-time Formula One champion — full name Lewis Carl Davidson Hamilton — plans to include 'Larbalestier', his mother's surname as a third middle name.
His opportunity comes next Sunday when the Formula One season begins in Bahrain.
Hamilton is a seven-time F1 champion "six of them with Mercedes" but he has doubts over whether the W13 car is quick enough to win the first race in Bahrain.
The 23-year-old Verstappen led for the majority of the race on the wet Imola track and the Red Bull driver beat Hamilton by 22 seconds for the 11th win of his career.
Valtteri Bottas allowed himself a roar of delight on Saturday when he claimed pole position for the Brazilian Grand Prix.
Hamilton was not only dominant, but supremely so in eventful race as he controlled the pace and tyre-wear to perfection.
Hamilton said he was surprised that title rival Vettel did not put up a tougher fight in the United States Grand Prix.