The Treaty of Westminster was signed in 1674 by the King on 9 February Old Style (19 February New Style).[8] It was ratified by the Lord Keeper on 10 February by placement of the Great Seal.[8] On 17 February at 10:00 a.m., it was publicly proclaimed at Whitehall.[8] It was approved by the States of Holland and West Friesland on 4 March,[8] (New Style) and ratified by the States General on 5 March.[8] It was proclaimed in The Hague on 6 March.