The interim governorship of Joaquín Suárez was the pre-Constitution government period of Uruguay which began after his appointment by the Constitutional Assembly as the interim substitute Governor and Captain General from 2nd December until 22nd December 1828 when the elected Governor and Captain General José Rondeau assumed his charge.
In order to put an end to the Cisplatine War that disputed the sovereignty of the Oriental Province and the Oriental Missions territories, the United Provinces of the River Plate and the Empire of Brazil signed in August 1828 a Preliminar Peace Convention, agreeing to resign from their claims to the State of Montevideo and to declare it as an independent country.
[1] On 1 December 1828 the Constitutional Assembly in a vote decided to appoint José Rondeau as the future Provisional Governor of Uruguay, but because he was still in Argentina running an official seat, until he could come to Uruguay to pledge his oath, Joaquín Suárez was designated as substitute Governor and assumed his charge on 2 December.
One of them was regarding the symbols of the country, being that the law of 6 December 1828 to create the original version of the National Flag of Uruguay, from a request of governor Suárez.
The only article in this law said:[6] The State flag shall be white with nine horizontal sky blue colored stripes and alternated, leaving at the upper angle next to the flagpole side a white square where a Sun shall be placed.On 13 December governor Suárez made a decree where it was declared the cessation of all foreign authorities on the territory, that because it gained its full independence and sovereignty, the jurisdiction of everything there had to belong to the local government.