Around here USSSA and IFA, have most of the tourneys, some NSA, WFC and AAU. ASA lists a few tourneys but most get cancelled at the last minute becasue only 2 or 3 teams enter.
I cant find that extension on usssa's site though. The lastest update 2/29/12 still says new stamp jan 1 2012
http://www.usssa.com/usssa/usssa-general/NewUSSSAFPSoftballBatMarks.pdf
Too many cheaters out there. If it were only the aged bats that were an issue it wouldn't be an issue. But people are altering new bats giving them an advantage and putting other players at risk in the process. If USSSA comes up with a good process I applaud them, ASA has tried and failed at this and the biggest reason is no one wants to require all new equipment.
Baseball is making huge changes this year and if it goes over then look for softball to follow shortly.