Section 4879.03 Of Article 5. Other Sales Of Partial Business Units From California Financial Code >> Division 1.6. >> Chapter 3. >> Article 5.

. A seller and purchaser shall make an agreement of sale, providing:
  (a) That the seller shall sell to the purchaser, and the purchaser shall purchase from the seller, a partial business unit, describing it.
  (b) Other provisions as may be appropriate.