I think it was around 1983 when they published the Organized To Do Jehovah's Will book, where on pages 98 and 99, or there about, they spoke of new ones becoming ministers and how they had to qualify and so forth to be an unbaptized publisher.
Some of the other folks might jump in here and provide even more details if they want.
If you want the book just let me know and I'll get you a link.
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