This book has a fillintheblank buyout agreement and instructions on how to incorporate it into your partnership agreement. Easy-Fill: Fill out the form online, then print and mail it to CSLB.PDF: Print a blank form, then fill it out and mail it to CSLB. Learn how to initiate a buyout agreement effectively with this comprehensive guide. To buy out a business partner, take these steps: 1) Determine what you're buying, e.g. , customers, inventor, customers, intellectual property, etc.