RCM autorec where balances don't change

New Contributor III

We have numerous accounts where the balance doesn't change from period to period (e.g. some accrual accounts) and we'd like these to auto reconcile.  I've had a look at the documentation (what there is) and tried creating an autorec rule using the Activity flag with an expression of |BalanceChange| = 0 but it seems not to work.  Has anyone done something like this before and can advise what needs to be configured for this autorec to work?

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