/products/building/performance/b/building_performance_blog/posts/service-pack-23-amp-partl-levels-3-4-and-5The latest service pack - SP23 - has been released today. This brings the PartL programs for levels 3, 4 and 5 up to date, including Jersey regulations in PartL level 3 and 4 (non-simulation). Further to this, our Wiki continues to grow with a numberen-USTelligent Community 12