Share 'New Technical Standards - question re: disc marking'

I asked this on the PDGA MB, but haven't got much of a response. The new tech std doc calls for discs to be marked to indicate what mold they are, and it lists hotstamps, indelible markers and mold engraving as examples. I haven't bought discs in awhile, but if a new disc comes out with a custom hotstamp, and you can't tell by any indelible marking or disc engraving, does writiing a code/abbrevi…