1. Identify the trading partner
   
2. Select Communication Method -
       Value Added network (VAN)
   
3. Select software to Facilitate
   
4. Criteria for Software Selection
   
5. Set up your Trading Partner
   
6. Trading Partner Mapping
   
7. Testing the Setup
   
8. Begin "Go-Live" Testing

A trading partner (ie. KMART) will probably contact you, and indicate you will be required to receive their orders (850's) via EDI, and may even request the corresponding invoice (810) be returned. You will then need an 'Implementation Guide' from them in order to begin.