Wills and Trusts: Property or money may be bequeathed to an entity used by Jehovah’s Witnesses by means of a legally executed will or by specifying the entity as the beneficiary of a trust agreement. This arrangement may provide certain tax advantages.
I can imagine, at some point in the future, the GB offering to provide legal expertise to expedite the process. For example, I could imagine them providing a "boiler plate" template to help the R&F set up wills, trusts, etc. I can imagine this in a future publication or talk - e.g. "The Organization has provided a loving arrangement/provision to get you started on setting up wills and trusts (insert Bible text to back up their idea here).......You can download the template and instructions from JW.org or see your local elders..."