This is indeed a good question.
Every place I’ve worked that prepares the Annual Company Statements using the CAS system has used BGL’s ACS template, for the privacy & reminder reasons that Karen mentioned above, as well as for the simple fact that it includes the signature field.
While it isn’t a requirement that a Director signs off on the details to say that they are correct, it gives them the opportunity to put their signature to a document that they feel helps to confirm that there have been no changes.
It’s also a way for us to keep a record of when a client comes at us as Agents saying that we hadn’t put through requested changes when we have no record of said request; it shows that the Director signed off that the company details were correct when they weren’t, meaning that either they didn’t actually check to ensure the details were correct or had never actually advised us of the change in the first place.
It’s great that CAS archives the ASIC issued statement within the same document stream/entry so that we can access it if/when needed - for the Corporate Key or any other reason.
So yeah, that’s my personal preference and experience with it.