Ultimately, according to Conduminium Law, it is the owner's responsibility to ensure that site fees are paid. If the owner then wants to get his tenant to pay, then it's up to him to sort that out & nothing whatever to do with the complex.
As for the manager saying that it is not possible to give a statement of who has (or hasn't) paid, that's garbage. As Treasurer of our site for the last nigh on 7 years, that's exactly the records I have to keep, along with all receipts for payments & I've been advised that everything has to be kept for 5 years for the taxman