Make a high-quality copy of the original document (duplicate). Keep the master copy in a safe place. Use the duplicate to print additional copies as needed.

Do not have it notarised by a Justice of the Peace. It is already notarised with the highest jurisdiction.

Since when does a corporate notary have more authority than an ecclesiastical one?

You can use a Change of Legal Status Notice to make them update their records, showing you as the Beneficiary and them as the Trustee by default.