Vertex O Series 4.1 Users

Vertex has notified all Companies using Vertex O Series of the plan to transition O Series version 4.1 into an Extended Support phase by October 2011. This notice is intended to provide you with more detail on the Extended Support [...] Read more »

Attention Vertex Sales Tax L Series users!!

Regular support for some Vertex Sales Tax L Series customers will be ending as of January 31, 2011.The new Sales Tax L Series 5.0 release is now available. This release offers new functionality improvements to enhance jurisdiction identification and provide [...] Read more »