Mini,
It seems… And this is only an assumption… That the by-laws have been established to be able to separate the two different components (so to speak) of this strata scheme, ie, the unit owners pay for their stuff and the house owner pays for theirs, making a user pay approach, which in some respects makes sense, but makes running of the OC complicated especially around the accounting.
You may want to explore whether this is actually how the OC is functioning, especially around effectively running the separate budgets and ‘exclusive use levies’
I have seen this also in mixed use properties where there is commercial and residential components of the building, making sure that the commercial owners who don’t use the lift don’t have to contribute towards the running of the lift etc.
Mr S