543dsa wrote:

Australia, strata title, which has some similarities to the US condominium
system but we don’t have home owners associations here. How things
must be done it spelt out in the strata title legislation.

Which from reading the bumph

https://www.strata.community/understandingstrata/what-is-strata

the individual lots should be precisely marked on the plans, so the
ownership of the balcony should be clear, and there is a legal entity
behind the common parts, so doesn't the legal entity just sue the
lock-changing dickhead?