Asset owners consistently review and confirm the security status of assets under their responsibility
Owners confirming their assets on a set cadence gives A.5.2's ownership requirement a working process, not a name recorded once and forgotten.
This process control has each asset owner periodically confirm their assets are correctly inventoried and in an acceptable security state, one recurring compliance check under A.5.36.
This process control has each asset owner periodically confirm assets they own are still needed and correctly inventoried, the review cycle A.5.9 expects.