Currently, a country declares itself interested in joining BRICS at which point there's a process of consultation between the chair of BRICS (who talks to the interested party), the foreign ministers of BRICS (who talk to their own leaders) and then the heads of government themselves. With the latter you need to build a consensus towards extending an invitation. Once that happens the country joins as soon as its leader chooses to. It's also not like the original 5 are BRICS' security council. The consensus includes all 10 members.
Ironically, had Milei let Argentina join he could play a spoiler and deny Cuba entry.
Currently, a country declares itself interested in joining BRICS at which point there's a process of consultation between the chair of BRICS (who talks to the interested party), the foreign ministers of BRICS (who talk to their own leaders) and then the heads of government themselves. With the latter you need to build a consensus towards extending an invitation. Once that happens the country joins as soon as its leader chooses to. It's also not like the original 5 are BRICS' security council. The consensus includes all 10 members.
Ironically, had Milei let Argentina join he could play a spoiler and deny Cuba entry.
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I think this is a good source for the current legalese. Which might change with the next summit in Kazan.
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