How to fill out an agreement of purchase and sale in Ontario, Canada. In this article, we discuss the plan of arrangement and its advantages and disadvantages as a cross-border transaction structure.My business partner is retiring and has asked that I buy her out. I am fine with her asking price and terms but she said something that has me baffled. Businesses can be acquired through a share purchase, an asset purchase or through an amalgamation (merger) or statutory plan of arrangement process. Guide to buysell agreements in Canada.