See pics - Bottom left corner of cover has minor tear. 5th edition. Transaction Coordinators (TCs_ have become the hot new professional career in real estate. The necessary paperwork in a real estate transaction protects the consumer, broker, and agent and satisfies the Real Estate Commissioner's Regulations as well as Real Estate Law. California Association of Realtors (CAR) is a trade association that constantly updates its forms for the betterment of the industry. However, even with more simple fill-in forms available online, the amount of "paperwork" involved in a real estate transaction continues to grow.